| 1969 | Chevrolet | Blazer | Base | 5.7L 350CID V8 | - | - |
| 1970 | Chevrolet | Blazer | Base | 4.8L 4801CC 292CID L6 | - | - |
| 1970 | Chevrolet | K10 Pickup | Base | 5.7L 350CID V8 | - | - |
| 1970 | Chevrolet | K10 Suburban | Base | - | - | - |
| 1970 | Chevrolet | K20 Pickup | Base | - | Lower | - |
| 1970 | Chevrolet | K20 Suburban | - | - | - | - |
| 1970 | Chevrolet | K20 Suburban | Base | - | Lower | - |
| 1970 | GMC | Jimmy | Base | 5.0L 5031CC 307CID V8 | - | - |
| 1970 | GMC | K15/K1500 Pickup | - | - | - | - |
| 1970 | GMC | K15/K1500 Pickup | Base | - | Lower | - |
| 1970 | GMC | K15/K1500 Suburban | - | - | - | - |
| 1970 | GMC | K15/K1500 Suburban | Base | - | Lower | - |
| 1970 | GMC | K25/K2500 Pickup | - | - | - | - |
| 1970 | GMC | K25/K2500 Pickup | Base | - | Lower | - |
| 1970 | GMC | K25/K2500 Suburban | - | - | - | - |
| 1970 | GMC | K25/K2500 Suburban | Base | - | Lower | - |
| 1971 | Chevrolet | Blazer | Base | - | Lower | 4WD |
| 1971 | Chevrolet | K10 Pickup | - | - | - | - |
| 1971 | Chevrolet | K10 Pickup | Base | - | Lower | - |
| 1971 | Chevrolet | K10 Suburban | - | - | - | - |
| 1971 | Chevrolet | K10 Suburban | Base | - | Lower | - |
| 1971 | Chevrolet | K20 Pickup | - | - | - | - |
| 1971 | Chevrolet | K20 Pickup | Base | - | Lower | - |
| 1971 | Chevrolet | K20 Suburban | - | - | - | - |
| 1971 | Chevrolet | K20 Suburban | Base | - | Lower | - |
| 1971 | Ford | Bronco | Base | - | Lower | 4WD |
| 1971 | Ford | Bronco | Wagon | - | Lower | 4WD |
| 1971 | Ford | F-100 | Base | - | Lower | 4WD |
| 1971 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1971 | GMC | K15/K1500 Pickup | - | - | - | - |
| 1971 | GMC | K15/K1500 Pickup | Base | - | Lower | - |
| 1971 | GMC | K15/K1500 Suburban | - | - | - | - |
| 1971 | GMC | K15/K1500 Suburban | Base | - | Lower | - |
| 1971 | GMC | K25/K2500 Pickup | - | - | - | - |
| 1971 | GMC | K25/K2500 Pickup | Base | - | Lower | - |
| 1971 | GMC | K25/K2500 Suburban | - | - | - | - |
| 1971 | GMC | K25/K2500 Suburban | Base | - | Lower | - |
| 1972 | Chevrolet | Blazer | Base | - | Lower | 4WD |
| 1972 | Chevrolet | K10 Pickup | - | - | - | - |
| 1972 | Chevrolet | K10 Pickup | Base | - | Lower | - |
| 1972 | Chevrolet | K10 Suburban | - | - | - | - |
| 1972 | Chevrolet | K10 Suburban | Base | - | Lower | - |
| 1972 | Chevrolet | K20 Pickup | - | - | - | - |
| 1972 | Chevrolet | K20 Pickup | Base | - | Lower | - |
| 1972 | Chevrolet | K20 Suburban | - | - | - | - |
| 1972 | Chevrolet | K20 Suburban | Base | - | Lower | - |
| 1972 | Dodge | W100 Pickup | - | - | - | - |
| 1972 | Dodge | W100 Pickup | Base | - | Lower | Except 4500 lb axle |
| 1972 | Dodge | W200 Pickup | - | - | - | - |
| 1972 | Dodge | W200 Pickup | Base | - | Lower | Except 4500 lb axle |
| 1972 | Dodge | W300 Pickup | - | - | - | - |
| 1972 | Dodge | W300 Pickup | Base | - | Lower | Except 4500 lb axle |
| 1972 | Ford | Bronco | Base | - | Lower | 4WD |
| 1972 | Ford | Bronco | Wagon | - | Lower | 4WD |
| 1972 | Ford | F-100 | Base | - | Lower | 4WD |
| 1972 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1972 | GMC | K15/K1500 Pickup | - | - | - | - |
| 1972 | GMC | K15/K1500 Pickup | Base | - | Lower | - |
| 1972 | GMC | K15/K1500 Suburban | - | - | - | - |
| 1972 | GMC | K15/K1500 Suburban | Base | - | Lower | - |
| 1972 | GMC | K25/K2500 Pickup | - | - | - | - |
| 1972 | GMC | K25/K2500 Pickup | Base | - | Lower | - |
| 1972 | GMC | K25/K2500 Suburban | - | - | - | - |
| 1972 | GMC | K25/K2500 Suburban | Base | - | Lower | - |
| 1973 | Chevrolet | Blazer | Base | - | Lower | 4WD |
| 1973 | Chevrolet | K10 Pickup | Base | - | Lower | - |
| 1973 | Chevrolet | K10 Suburban | Base | - | Lower | - |
| 1973 | Chevrolet | K20 Pickup | Base | - | Lower | - |
| 1973 | Chevrolet | K20 Suburban | Base | - | Lower | - |
| 1973 | Dodge | W100 Pickup | - | - | - | - |
| 1973 | Dodge | W100 Pickup | Base | - | Lower | Except 4500 lb axle |
| 1973 | Dodge | W200 Pickup | - | - | - | - |
| 1973 | Dodge | W200 Pickup | Base | - | Lower | Except 4500 lb axle |
| 1973 | Dodge | W300 Pickup | - | - | - | - |
| 1973 | Dodge | W300 Pickup | Base | - | Lower | Except 4500 lb axle |
| 1973 | Ford | Bronco | Wagon | - | Lower | 4WD |
| 1973 | Ford | F-100 | Base | - | Lower | 4WD |
| 1973 | Ford | F-250 | Base | - | Lower | 4WD; With 3300, 3500 lb axle |
| 1973 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1973 | GMC | K15/K1500 Pickup | Base | - | Lower | - |
| 1973 | GMC | K15/K1500 Suburban | Base | - | Lower | - |
| 1973 | GMC | K25/K2500 Pickup | Base | - | Lower | - |
| 1973 | GMC | K25/K2500 Suburban | Base | - | Lower | - |
| 1974 | Chevrolet | Blazer | Base | - | Lower | 4WD |
| 1974 | Chevrolet | K10 Pickup | Base | - | Lower | - |
| 1974 | Chevrolet | K10 Suburban | Base | - | Lower | - |
| 1974 | Chevrolet | K20 Pickup | Base | - | Lower | - |
| 1974 | Chevrolet | K20 Suburban | Base | - | Lower | - |
| 1974 | Dodge | Ramcharger | - | - | - | - |
| 1974 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1974 | Dodge | W100 Pickup | - | - | - | - |
| 1974 | Dodge | W100 Pickup | Base | - | Lower | Except 4500 lb axle |
| 1974 | Dodge | W200 Pickup | - | - | - | - |
| 1974 | Dodge | W200 Pickup | Base | - | Lower | Except 4500 lb axle |
| 1974 | Dodge | W300 Pickup | - | - | - | - |
| 1974 | Dodge | W300 Pickup | Base | - | Lower | Except 4500 lb axle |
| 1974 | Ford | Bronco | Base | - | Lower | 4WD |
| 1974 | Ford | F-100 | Base | - | Lower | 4WD |
| 1974 | Ford | F-250 | Base | - | Lower | 4WD; With 3300, 3500 lb axle |
| 1974 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1974 | GMC | K15/K1500 Pickup | Base | - | Lower | - |
| 1974 | GMC | K15/K1500 Suburban | Base | - | Lower | - |
| 1974 | GMC | K25/K2500 Pickup | Base | - | Lower | - |
| 1974 | GMC | K25/K2500 Suburban | Base | - | Lower | - |
| 1974 | Plymouth | Trailduster | Base | - | Lower | 4WD |
| 1975 | Chevrolet | K5 Blazer | Cheyenne | - | Lower | 4WD |
| 1975 | Chevrolet | K5 Blazer | Custom Deluxe | - | Lower | 4WD |
| 1975 | Chevrolet | K10 | Cheyenne | - | Lower | - |
| 1975 | Chevrolet | K10 | Custom Deluxe | - | Lower | - |
| 1975 | Chevrolet | K10 | Scottsdale | - | Lower | - |
| 1975 | Chevrolet | K10 | Silverado | - | Lower | - |
| 1975 | Chevrolet | K10 Suburban | Custom Deluxe | - | Lower | - |
| 1975 | Chevrolet | K10 Suburban | Scottsdale | - | Lower | - |
| 1975 | Chevrolet | K10 Suburban | Silverado | - | Lower | - |
| 1975 | Chevrolet | K20 | Cheyenne | - | Lower | - |
| 1975 | Chevrolet | K20 | Custom Deluxe | - | Lower | - |
| 1975 | Chevrolet | K20 | Scottsdale | - | Lower | - |
| 1975 | Chevrolet | K20 | Silverado | - | Lower | - |
| 1975 | Chevrolet | K20 Suburban | Custom Deluxe | - | Lower | - |
| 1975 | Chevrolet | K20 Suburban | Scottsdale | - | Lower | - |
| 1975 | Chevrolet | K20 Suburban | Silverado | - | Lower | - |
| 1975 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1975 | Dodge | Ramcharger | SE | - | Lower | 4WD |
| 1975 | Dodge | W100 | - | - | - | - |
| 1975 | Dodge | W100 | Custom | - | Lower | Except 4500 lb axle |
| 1975 | Dodge | W200 | - | - | - | - |
| 1975 | Dodge | W200 | Base | - | Lower | Except 4500 lb axle |
| 1975 | Dodge | W300 | Custom | 5.9L 360CID V8 | - | - |
| 1975 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1975 | Ford | Bronco | Northland | - | Lower | 4WD |
| 1975 | Ford | Bronco | Ranger | - | Lower | 4WD |
| 1975 | Ford | Bronco | Sport | - | Lower | 4WD |
| 1975 | Ford | F-100 | Base | - | - | - |
| 1975 | Ford | F-100 | Custom | - | Lower | 4WD |
| 1975 | Ford | F-100 | Northland | - | Lower | 4WD |
| 1975 | Ford | F-100 | Ranger | - | Lower | 4WD |
| 1975 | Ford | F-100 | Ranger XLT | - | Lower | 4WD |
| 1975 | Ford | F-150 | Custom | 6.4L 390CID V8 | - | - |
| 1975 | Ford | F-150 | Northland | 6.4L 390CID V8 | - | - |
| 1975 | Ford | F-150 | Ranger | 4.9L 4917CC 300CID L6 | - | - |
| 1975 | Ford | F-150 | Ranger XLT | - | - | - |
| 1975 | Ford | F-250 | Custom | - | Lower | 4WD; With 3300, 3500 lb axle |
| 1975 | Ford | F-250 | Northland | - | Lower | 4WD; With 3300, 3500 lb axle |
| 1975 | Ford | F-250 | Ranger | - | Lower | 4WD; With 3300, 3500 lb axle |
| 1975 | Ford | F-250 | Ranger XLT | - | Lower | 4WD; With 3300, 3500 lb axle |
| 1975 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1975 | GMC | Jimmy | High Sierra | - | Lower | 4WD |
| 1975 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1975 | GMC | Jimmy | Sierra Grande | - | Lower | 4WD |
| 1975 | GMC | K15 | Base | - | Lower | - |
| 1975 | GMC | K15 | High Sierra | - | Lower | - |
| 1975 | GMC | K15 | Sierra Classic | - | Lower | - |
| 1975 | GMC | K15 | Sierra Grande | - | Lower | - |
| 1975 | GMC | K15 Suburban | Base | - | Lower | - |
| 1975 | GMC | K15 Suburban | High Sierra | - | Lower | - |
| 1975 | GMC | K15 Suburban | Sierra Classic | - | Lower | - |
| 1975 | GMC | K15 Suburban | Sierra Grande | - | Lower | - |
| 1975 | GMC | K25 | Base | - | Lower | - |
| 1975 | GMC | K25 | High Sierra | - | Lower | - |
| 1975 | GMC | K25 | Sierra Classic | - | Lower | - |
| 1975 | GMC | K25 | Sierra Grande | - | Lower | - |
| 1975 | GMC | K25 Suburban | Base | - | Lower | - |
| 1975 | GMC | K25 Suburban | High Sierra | - | Lower | - |
| 1975 | GMC | K25 Suburban | Sierra Classic | - | Lower | - |
| 1975 | GMC | K25 Suburban | Sierra Grande | - | Lower | - |
| 1975 | Plymouth | Trailduster | Base | - | Lower | 4WD |
| 1976 | Chevrolet | K5 Blazer | Base | - | Lower | 4WD |
| 1976 | Chevrolet | K5 Blazer | Cheyenne | - | Lower | 4WD |
| 1976 | Chevrolet | K10 | Cheyenne | - | Lower | - |
| 1976 | Chevrolet | K10 | Custom Deluxe | - | Lower | - |
| 1976 | Chevrolet | K10 | Scottsdale | - | Lower | - |
| 1976 | Chevrolet | K10 | Silverado | - | Lower | - |
| 1976 | Chevrolet | K10 Suburban | Custom Deluxe | - | Lower | - |
| 1976 | Chevrolet | K10 Suburban | Scottsdale | - | Lower | - |
| 1976 | Chevrolet | K10 Suburban | Silverado | - | Lower | - |
| 1976 | Chevrolet | K20 | Cheyenne | - | Lower | - |
| 1976 | Chevrolet | K20 | Custom Deluxe | - | Lower | - |
| 1976 | Chevrolet | K20 | Scottsdale | - | Lower | - |
| 1976 | Chevrolet | K20 | Silverado | - | Lower | - |
| 1976 | Chevrolet | K20 Suburban | Custom Deluxe | - | Lower | - |
| 1976 | Chevrolet | K20 Suburban | Scottsdale | - | Lower | - |
| 1976 | Chevrolet | K20 Suburban | Silverado | - | Lower | - |
| 1976 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1976 | Dodge | Ramcharger | SE | - | Lower | 4WD |
| 1976 | Dodge | W100 | - | - | - | - |
| 1976 | Dodge | W100 | Custom | - | Lower | Except 4500 lb axle |
| 1976 | Dodge | W200 | - | - | - | - |
| 1976 | Dodge | W200 | Base | - | Lower | Except 4500 lb axle |
| 1976 | Dodge | W300 | Custom | 5.2L 5211CC 318CID V8 | - | - |
| 1976 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1976 | Ford | Bronco | Sport | - | Lower | 4WD |
| 1976 | Ford | F-100 | Base | - | Lower | 4WD |
| 1976 | Ford | F-100 | Custom | - | Lower | 4WD |
| 1976 | Ford | F-100 | Northland | - | Lower | 4WD |
| 1976 | Ford | F-100 | Ranger | - | Lower | 4WD |
| 1976 | Ford | F-100 | Ranger XLT | - | Lower | 4WD |
| 1976 | Ford | F-150 | Base | - | Lower | 4WD |
| 1976 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1976 | Ford | F-150 | Northland | - | Lower | 4WD |
| 1976 | Ford | F-150 | Ranger | - | Lower | 4WD |
| 1976 | Ford | F-150 | Ranger XLT | - | Lower | 4WD |
| 1976 | Ford | F-250 | Base | - | Lower | 4WD; With 3300, 3500, 3800, 4500 lb axle |
| 1976 | Ford | F-250 | Custom | - | Lower | 4WD; With 3300, 3500, 3800, 4500 lb axle |
| 1976 | Ford | F-250 | Northland | - | Lower | 4WD; With 3300, 3500, 3800, 4500 lb axle |
| 1976 | Ford | F-250 | Ranger | - | Lower | 4WD; With 3300, 3500, 3800, 4500 lb axle |
| 1976 | Ford | F-250 | Ranger XLT | - | Lower | 4WD; With 3300, 3500, 3800, 4500 lb axle |
| 1976 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1976 | GMC | Jimmy | High Sierra | - | Lower | 4WD |
| 1976 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1976 | GMC | Jimmy | Sierra Grande | - | Lower | 4WD |
| 1976 | GMC | K15 | Base | - | Lower | - |
| 1976 | GMC | K15 | High Sierra | - | Lower | - |
| 1976 | GMC | K15 | Sierra Classic | - | Lower | - |
| 1976 | GMC | K15 | Sierra Grande | - | Lower | - |
| 1976 | GMC | K15 Suburban | Base | - | Lower | - |
| 1976 | GMC | K15 Suburban | High Sierra | - | Lower | - |
| 1976 | GMC | K15 Suburban | Sierra Classic | - | Lower | - |
| 1976 | GMC | K15 Suburban | Sierra Grande | - | Lower | - |
| 1976 | GMC | K25 | Base | - | Lower | - |
| 1976 | GMC | K25 | High Sierra | - | Lower | - |
| 1976 | GMC | K25 | Sierra Classic | - | Lower | - |
| 1976 | GMC | K25 | Sierra Grande | - | Lower | - |
| 1976 | GMC | K25 Suburban | Base | - | Lower | - |
| 1976 | GMC | K25 Suburban | High Sierra | - | Lower | - |
| 1976 | GMC | K25 Suburban | Sierra Classic | - | Lower | - |
| 1976 | GMC | K25 Suburban | Sierra Grande | - | Lower | - |
| 1976 | Plymouth | Trailduster | Base | - | Lower | 4WD |
| 1977 | Chevrolet | K5 Blazer | Cheyenne | - | Lower | 4WD |
| 1977 | Chevrolet | K5 Blazer | Custom Deluxe | - | Lower | 4WD |
| 1977 | Chevrolet | K10 | Cheyenne | - | Lower | - |
| 1977 | Chevrolet | K10 | Custom Deluxe | - | Lower | - |
| 1977 | Chevrolet | K10 | Scottsdale | - | Lower | - |
| 1977 | Chevrolet | K10 | Silverado | - | Lower | - |
| 1977 | Chevrolet | K10 Suburban | Custom Deluxe | - | Lower | - |
| 1977 | Chevrolet | K10 Suburban | Scottsdale | - | Lower | - |
| 1977 | Chevrolet | K10 Suburban | Silverado | - | Lower | - |
| 1977 | Chevrolet | K20 | Cheyenne | - | Lower | - |
| 1977 | Chevrolet | K20 | Custom Deluxe | - | Lower | - |
| 1977 | Chevrolet | K20 | Scottsdale | - | Lower | - |
| 1977 | Chevrolet | K20 | Silverado | - | Lower | - |
| 1977 | Chevrolet | K20 Suburban | Custom Deluxe | - | Lower | - |
| 1977 | Chevrolet | K20 Suburban | Scottsdale | - | Lower | - |
| 1977 | Chevrolet | K20 Suburban | Silverado | - | Lower | - |
| 1977 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1977 | Dodge | Ramcharger | SE | - | Lower | 4WD |
| 1977 | Dodge | W100 | - | - | - | - |
| 1977 | Dodge | W100 | Custom | - | Lower | Except 4500 lb axle |
| 1977 | Dodge | W150 | - | - | - | - |
| 1977 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1977 | Dodge | W200 | - | - | - | - |
| 1977 | Dodge | W200 | Base | - | Lower | Except 4500 lb axle |
| 1977 | Dodge | W300 | Base | 5.9L 360CID V8 | - | - |
| 1977 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1977 | Ford | Bronco | Sport | - | Lower | 4WD |
| 1977 | Ford | F-100 | Base | - | - | - |
| 1977 | Ford | F-100 | Custom | 6.6L 400CID V8 | - | - |
| 1977 | Ford | F-100 | Northland | 5.8L 5753CC 351CID V8 | - | - |
| 1977 | Ford | F-100 | Ranger | 4.9L 4917CC 300CID L6 | - | - |
| 1977 | Ford | F-100 | Ranger XLT | 4.9L 4917CC 300CID L6 | - | - |
| 1977 | Ford | F-100 | XLT | 5.8L 5753CC 351CID V8 | - | - |
| 1977 | Ford | F-150 | Base | - | Lower | 4WD |
| 1977 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1977 | Ford | F-150 | Northland | - | Lower | 4WD |
| 1977 | Ford | F-150 | Ranger | - | Lower | 4WD |
| 1977 | Ford | F-150 | Ranger XLT | - | Lower | 4WD |
| 1977 | Ford | F-150 | XLT | - | Lower | 4WD |
| 1977 | Ford | F-250 | Base | - | Lower | 4WD; With 3300, 3500, 3800, 4500 lb axle |
| 1977 | Ford | F-250 | Custom | - | Lower | 4WD; With 3300, 3500, 3800, 4500 lb axle |
| 1977 | Ford | F-250 | Northland | - | Lower | 4WD; With 3300, 3500, 3800, 4500 lb axle |
| 1977 | Ford | F-250 | Ranger | - | Lower | 4WD; With 3300, 3500, 3800, 4500 lb axle |
| 1977 | Ford | F-250 | Ranger XLT | - | Lower | 4WD; With 3300, 3500, 3800, 4500 lb axle |
| 1977 | Ford | F-250 | XLT | - | Lower | 4WD; With 3300, 3500, 3800, 4500 lb axle |
| 1977 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1977 | GMC | Jimmy | High Sierra | - | Lower | 4WD |
| 1977 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1977 | GMC | Jimmy | Sierra Grande | - | Lower | 4WD |
| 1977 | GMC | K15 | Base | - | Lower | - |
| 1977 | GMC | K15 | High Sierra | - | Lower | - |
| 1977 | GMC | K15 | Indy Hauler | 4.1L 250CID L6 | - | - |
| 1977 | GMC | K15 | Sierra Classic | - | Lower | - |
| 1977 | GMC | K15 | Sierra Grande | - | Lower | - |
| 1977 | GMC | K15 Suburban | Base | - | Lower | - |
| 1977 | GMC | K15 Suburban | High Sierra | - | Lower | - |
| 1977 | GMC | K15 Suburban | Sierra Classic | - | Lower | - |
| 1977 | GMC | K15 Suburban | Sierra Grande | - | Lower | - |
| 1977 | GMC | K25 | Base | - | Lower | - |
| 1977 | GMC | K25 | High Sierra | - | Lower | - |
| 1977 | GMC | K25 | Sierra Classic | - | Lower | - |
| 1977 | GMC | K25 | Sierra Grande | - | Lower | - |
| 1977 | GMC | K25 Suburban | Base | - | Lower | - |
| 1977 | GMC | K25 Suburban | High Sierra | - | Lower | - |
| 1977 | GMC | K25 Suburban | Sierra Classic | - | Lower | - |
| 1977 | GMC | K25 Suburban | Sierra Grande | - | Lower | - |
| 1977 | Plymouth | Trailduster | Base | - | Lower | 4WD |
| 1978 | Chevrolet | K5 Blazer | Cheyenne | - | Lower | 4WD |
| 1978 | Chevrolet | K5 Blazer | Custom Deluxe | - | Lower | 4WD |
| 1978 | Chevrolet | K5 Blazer | Silverado | 5.7L 350CID V8 | - | - |
| 1978 | Chevrolet | K10 | Cheyenne | - | Lower | - |
| 1978 | Chevrolet | K10 | Custom Deluxe | - | Lower | - |
| 1978 | Chevrolet | K10 | Scottsdale | - | Lower | - |
| 1978 | Chevrolet | K10 | Silverado | 4.1L 250CID L6 | - | - |
| 1978 | Chevrolet | K10 Suburban | Custom Deluxe | - | Lower | - |
| 1978 | Chevrolet | K10 Suburban | Scottsdale | - | Lower | - |
| 1978 | Chevrolet | K20 | Cheyenne | - | Lower | - |
| 1978 | Chevrolet | K20 | Custom Deluxe | - | Lower | - |
| 1978 | Chevrolet | K20 | Scottsdale | - | Lower | - |
| 1978 | Chevrolet | K20 | Silverado | 4.1L 250CID L6 | - | - |
| 1978 | Chevrolet | K20 Suburban | Custom Deluxe | - | Lower | - |
| 1978 | Chevrolet | K20 Suburban | Scottsdale | - | Lower | - |
| 1978 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1978 | Dodge | Ramcharger | SE | - | Lower | 4WD |
| 1978 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1978 | Dodge | W200 | Base | - | Lower | Except 4500 lb axle |
| 1978 | Dodge | W300 | Base | - | Lower | Except 4500 lb axle |
| 1978 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1978 | Ford | Bronco | Northland | - | Lower | 4WD |
| 1978 | Ford | Bronco | Ranger XLT | - | Lower | 4WD |
| 1978 | Ford | F-100 | Base | 5.0L 302CID V8 | - | - |
| 1978 | Ford | F-100 | Custom | 5.0L 302CID V8 | - | - |
| 1978 | Ford | F-100 | Northland | 5.0L 302CID V8 | - | - |
| 1978 | Ford | F-100 | Ranger | 5.8L 5753CC 351CID V8 | - | - |
| 1978 | Ford | F-100 | Ranger Lariat | 4.9L 4917CC 300CID L6 | - | - |
| 1978 | Ford | F-100 | Ranger XLT | 5.8L 5753CC 351CID V8 | - | - |
| 1978 | Ford | F-150 | Base | - | Lower | 4WD |
| 1978 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1978 | Ford | F-150 | Northland | - | Lower | 4WD |
| 1978 | Ford | F-150 | Ranger | - | Lower | 4WD |
| 1978 | Ford | F-150 | Ranger Lariat | - | Lower | 4WD |
| 1978 | Ford | F-150 | Ranger XLT | - | Lower | 4WD |
| 1978 | Ford | F-250 | Base | - | Lower | 4WD; With 3800, 4500 lb axle |
| 1978 | Ford | F-250 | Custom | - | Lower | 4WD; With 3800, 4500 lb axle |
| 1978 | Ford | F-250 | Northland | - | Lower | 4WD; With 3800, 4500 lb axle |
| 1978 | Ford | F-250 | Ranger | - | Lower | 4WD; With 3800, 4500 lb axle |
| 1978 | Ford | F-250 | Ranger Lariat | - | Lower | 4WD; With 3800, 4500 lb axle |
| 1978 | Ford | F-250 | Ranger XLT | - | Lower | 4WD; With 3800, 4500 lb axle |
| 1978 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1978 | GMC | Jimmy | High Sierra | - | Lower | 4WD |
| 1978 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1978 | GMC | Jimmy | Sierra Grande | - | Lower | 4WD |
| 1978 | GMC | Jimmy | Street Coupe | - | Lower | 4WD |
| 1978 | GMC | K15 | Base | - | Lower | - |
| 1978 | GMC | K15 | High Sierra | - | Lower | - |
| 1978 | GMC | K15 | Sierra Classic | - | Lower | - |
| 1978 | GMC | K15 | Sierra Grande | - | Lower | - |
| 1978 | GMC | K15 Suburban | Base | - | Lower | - |
| 1978 | GMC | K15 Suburban | High Sierra | - | Lower | - |
| 1978 | GMC | K15 Suburban | Sierra Classic | - | Lower | - |
| 1978 | GMC | K15 Suburban | Sierra Grande | - | Lower | - |
| 1978 | GMC | K25 | Base | - | Lower | - |
| 1978 | GMC | K25 | High Sierra | - | Lower | - |
| 1978 | GMC | K25 | Sierra Classic | - | Lower | - |
| 1978 | GMC | K25 | Sierra Grande | - | Lower | - |
| 1978 | GMC | K25 Suburban | Base | - | Lower | - |
| 1978 | GMC | K25 Suburban | High Sierra | - | Lower | - |
| 1978 | GMC | K25 Suburban | Sierra Classic | - | Lower | - |
| 1978 | GMC | K25 Suburban | Sierra Grande | - | Lower | - |
| 1978 | Plymouth | Trailduster | Base | - | Lower | 4WD |
| 1979 | Chevrolet | K5 Blazer | Cheyenne | - | Lower | 4WD |
| 1979 | Chevrolet | K5 Blazer | Custom Deluxe | - | Lower | 4WD |
| 1979 | Chevrolet | K10 | Cheyenne | - | Lower | - |
| 1979 | Chevrolet | K10 | Custom Deluxe | - | Lower | - |
| 1979 | Chevrolet | K10 | Scottsdale | - | Lower | - |
| 1979 | Chevrolet | K10 | Silverado | - | Lower | - |
| 1979 | Chevrolet | K10 Suburban | Custom Deluxe | - | Lower | - |
| 1979 | Chevrolet | K10 Suburban | Scottsdale | - | Lower | - |
| 1979 | Chevrolet | K10 Suburban | Silverado | - | Lower | - |
| 1979 | Chevrolet | K20 | Cheyenne | - | Lower | - |
| 1979 | Chevrolet | K20 | Custom Deluxe | - | Lower | - |
| 1979 | Chevrolet | K20 | Scottsdale | - | Lower | - |
| 1979 | Chevrolet | K20 | Silverado | - | Lower | - |
| 1979 | Chevrolet | K20 Suburban | Custom Deluxe | - | Lower | - |
| 1979 | Chevrolet | K20 Suburban | Scottsdale | - | Lower | - |
| 1979 | Chevrolet | K20 Suburban | Silverado | - | Lower | - |
| 1979 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1979 | Dodge | Ramcharger | SE | - | Lower | 4WD |
| 1979 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1979 | Dodge | W200 | Base | - | Lower | Except 4500 lb axle |
| 1979 | Dodge | W300 | Base | - | Lower | Except 4500 lb axle |
| 1979 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1979 | Ford | Bronco | Ranger XLT | - | Lower | 4WD |
| 1979 | Ford | F-100 | Base | 5.0L 302CID V8 | - | - |
| 1979 | Ford | F-100 | Custom | 5.0L 302CID V8 | - | - |
| 1979 | Ford | F-100 | Ranger | 4.9L 4917CC 300CID L6 | - | - |
| 1979 | Ford | F-100 | Ranger Lariat | 7.5L 460CID V8 | - | - |
| 1979 | Ford | F-100 | Ranger XLT | 4.9L 4917CC 300CID L6 | - | - |
| 1979 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1979 | Ford | F-150 | Ranger | - | Lower | 4WD |
| 1979 | Ford | F-150 | Ranger Lariat | - | Lower | 4WD |
| 1979 | Ford | F-150 | Ranger XLT | - | Lower | 4WD |
| 1979 | Ford | F-250 | Custom | - | Lower | 4WD; With 3800, 4500 lb axle |
| 1979 | Ford | F-250 | Ranger | - | Lower | 4WD; With 3800, 4500 lb axle |
| 1979 | Ford | F-250 | Ranger Lariat | - | Lower | 4WD; With 3800, 4500 lb axle |
| 1979 | Ford | F-250 | Ranger XLT | - | Lower | 4WD; With 3800, 4500 lb axle |
| 1979 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1979 | GMC | Jimmy | High Sierra | - | Lower | 4WD |
| 1979 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1979 | GMC | Jimmy | Sierra Grande | - | Lower | 4WD |
| 1979 | GMC | Jimmy | Street Coupe | - | Lower | 4WD |
| 1979 | GMC | K1500 | Base | - | Lower | - |
| 1979 | GMC | K1500 | High Sierra | - | Lower | - |
| 1979 | GMC | K1500 | Sierra Classic | - | Lower | - |
| 1979 | GMC | K1500 | Sierra Grande | - | Lower | - |
| 1979 | GMC | K1500 Suburban | Base | - | Lower | - |
| 1979 | GMC | K1500 Suburban | High Sierra | - | Lower | - |
| 1979 | GMC | K1500 Suburban | Sierra Classic | - | Lower | - |
| 1979 | GMC | K1500 Suburban | Sierra Grande | - | Lower | - |
| 1979 | GMC | K2500 | Base | - | Lower | - |
| 1979 | GMC | K2500 | High Sierra | - | Lower | - |
| 1979 | GMC | K2500 | Sierra Classic | - | Lower | - |
| 1979 | GMC | K2500 | Sierra Grande | - | Lower | - |
| 1979 | GMC | K2500 Suburban | Base | - | Lower | - |
| 1979 | GMC | K2500 Suburban | High Sierra | - | Lower | - |
| 1979 | GMC | K2500 Suburban | Sierra Classic | - | Lower | - |
| 1979 | GMC | K2500 Suburban | Sierra Grande | - | Lower | - |
| 1979 | Plymouth | Trailduster | Base | - | Lower | 4WD |
| 1980 | Chevrolet | K5 Blazer | Cheyenne | - | Lower | 4WD |
| 1980 | Chevrolet | K5 Blazer | Custom Deluxe | - | Lower | 4WD |
| 1980 | Chevrolet | K5 Blazer | Silverado | - | Lower | 4WD |
| 1980 | Chevrolet | K10 | Cheyenne | - | Lower | - |
| 1980 | Chevrolet | K10 | Custom Deluxe | - | Lower | - |
| 1980 | Chevrolet | K10 | Scottsdale | - | Lower | - |
| 1980 | Chevrolet | K10 | Silverado | - | Lower | - |
| 1980 | Chevrolet | K10 Suburban | Custom Deluxe | - | Lower | - |
| 1980 | Chevrolet | K10 Suburban | Scottsdale | - | Lower | - |
| 1980 | Chevrolet | K10 Suburban | Silverado | - | Lower | - |
| 1980 | Chevrolet | K20 | Cheyenne | - | Lower | - |
| 1980 | Chevrolet | K20 | Custom Deluxe | - | Lower | - |
| 1980 | Chevrolet | K20 | Scottsdale | - | Lower | - |
| 1980 | Chevrolet | K20 | Silverado | - | Lower | - |
| 1980 | Chevrolet | K20 Suburban | Custom Deluxe | - | Lower | - |
| 1980 | Chevrolet | K20 Suburban | Scottsdale | - | Lower | - |
| 1980 | Chevrolet | K20 Suburban | Silverado | - | Lower | - |
| 1980 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1980 | Dodge | Ramcharger | SE | - | Lower | 4WD |
| 1980 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1980 | Dodge | W200 | Base | - | Lower | Except 4500 lb axle |
| 1980 | Dodge | W300 | Base | - | Lower | Except 4500 lb axle |
| 1980 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1980 | Ford | Bronco | Ranger XLT | - | Lower | 4WD |
| 1980 | Ford | F-100 | Custom | 4.9L 4917CC 300CID L6 | - | - |
| 1980 | Ford | F-100 | Ranger | 5.0L 302CID V8 | - | - |
| 1980 | Ford | F-100 | Ranger Lariat | 5.0L 302CID V8 | - | - |
| 1980 | Ford | F-100 | Ranger XLT | 4.9L 4917CC 300CID L6 | - | - |
| 1980 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1980 | Ford | F-150 | Ranger | - | Lower | 4WD |
| 1980 | Ford | F-150 | Ranger Lariat | - | Lower | 4WD |
| 1980 | Ford | F-150 | Ranger XLT | - | Lower | 4WD |
| 1980 | Ford | F-250 | Custom | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1980 | Ford | F-250 | Ranger | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1980 | Ford | F-250 | Ranger Lariat | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1980 | Ford | F-250 | Ranger XLT | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1980 | Ford | F-350 | Base | 5.0L 302CID V8 | - | - |
| 1980 | Ford | F-350 | Custom | - | Lower | 4WD; With 3800 lb axle |
| 1980 | Ford | F-350 | Ranger | - | Lower | 4WD; With 3800 lb axle |
| 1980 | Ford | F-350 | Ranger Lariat | - | Lower | 4WD; With 3800 lb axle |
| 1980 | Ford | F-350 | Ranger XLT | - | Lower | 4WD; With 3800 lb axle |
| 1980 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1980 | GMC | Jimmy | High Sierra | - | Lower | 4WD |
| 1980 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1980 | GMC | Jimmy | Sierra Grande | - | Lower | 4WD |
| 1980 | GMC | Jimmy | Street Coupe | - | Lower | 4WD |
| 1980 | GMC | K1500 | Base | - | Lower | - |
| 1980 | GMC | K1500 | High Sierra | - | Lower | - |
| 1980 | GMC | K1500 | Sierra Classic | - | Lower | - |
| 1980 | GMC | K1500 | Sierra Grande | - | Lower | - |
| 1980 | GMC | K1500 Suburban | Base | - | Lower | - |
| 1980 | GMC | K1500 Suburban | High Sierra | - | Lower | - |
| 1980 | GMC | K1500 Suburban | Sierra Classic | - | Lower | - |
| 1980 | GMC | K1500 Suburban | Sierra Grande | - | Lower | - |
| 1980 | GMC | K2500 | Base | - | Lower | - |
| 1980 | GMC | K2500 | High Sierra | - | Lower | - |
| 1980 | GMC | K2500 | Sierra Classic | - | Lower | - |
| 1980 | GMC | K2500 | Sierra Grande | - | Lower | - |
| 1980 | GMC | K2500 Suburban | Base | - | Lower | - |
| 1980 | GMC | K2500 Suburban | High Sierra | - | Lower | - |
| 1980 | GMC | K2500 Suburban | Sierra Classic | - | Lower | - |
| 1980 | GMC | K2500 Suburban | Sierra Grande | - | Lower | - |
| 1980 | Plymouth | Trailduster | Base | - | Lower | 4WD |
| 1981 | Chevrolet | K5 Blazer | Custom | - | Lower | 4WD |
| 1981 | Chevrolet | K5 Blazer | Deluxe | - | Lower | 4WD |
| 1981 | Chevrolet | K5 Blazer | Silverado | - | Lower | 4WD |
| 1981 | Chevrolet | K10 | Cheyenne | 4.1L 250CID L6 | - | - |
| 1981 | Chevrolet | K10 | Custom | - | Lower | - |
| 1981 | Chevrolet | K10 | Deluxe | - | Lower | - |
| 1981 | Chevrolet | K10 | Scottsdale | - | - | - |
| 1981 | Chevrolet | K10 | Silverado | 5.7L 350CID V8 | - | - |
| 1981 | Chevrolet | K10 Suburban | Custom | - | Lower | - |
| 1981 | Chevrolet | K10 Suburban | Deluxe | - | Lower | - |
| 1981 | Chevrolet | K20 | Cheyenne | 4.8L 292CID L6 | - | - |
| 1981 | Chevrolet | K20 | Custom | - | Lower | - |
| 1981 | Chevrolet | K20 | Deluxe | - | Lower | - |
| 1981 | Chevrolet | K20 | Scottsdale | 5.7L 350CID V8 | - | - |
| 1981 | Chevrolet | K20 | Silverado | - | - | - |
| 1981 | Chevrolet | K20 Suburban | Custom | - | Lower | - |
| 1981 | Chevrolet | K20 Suburban | Deluxe | - | Lower | - |
| 1981 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1981 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1981 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1981 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1981 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1981 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1981 | Ford | Bronco | Ranger XLT | - | Lower | 4WD |
| 1981 | Ford | F-100 | Custom | - | Lower | 4WD |
| 1981 | Ford | F-100 | Ranger | - | Lower | 4WD |
| 1981 | Ford | F-100 | Ranger Lariat | - | Lower | 4WD |
| 1981 | Ford | F-100 | Ranger XLT | - | Lower | 4WD |
| 1981 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1981 | Ford | F-150 | Ranger | - | Lower | 4WD |
| 1981 | Ford | F-150 | Ranger Lariat | - | Lower | 4WD |
| 1981 | Ford | F-150 | Ranger XLT | - | Lower | 4WD |
| 1981 | Ford | F-250 | Custom | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1981 | Ford | F-250 | Ranger | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1981 | Ford | F-250 | Ranger Lariat | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1981 | Ford | F-250 | Ranger XLT | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1981 | Ford | F-350 | Base | 5.0L 302CID V8 | - | - |
| 1981 | Ford | F-350 | Custom | - | Lower | 4WD; With 3800 lb axle |
| 1981 | Ford | F-350 | Ranger | - | Lower | 4WD; With 3800 lb axle |
| 1981 | Ford | F-350 | Ranger Lariat | - | Lower | 4WD; With 3800 lb axle |
| 1981 | Ford | F-350 | Ranger XLT | - | Lower | 4WD; With 3800 lb axle |
| 1981 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1981 | GMC | Jimmy | High Sierra | - | Lower | 4WD |
| 1981 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1981 | GMC | Jimmy | Sierra Grande | - | Lower | 4WD |
| 1981 | GMC | Jimmy | Street Coupe | - | Lower | 4WD |
| 1981 | GMC | K1500 | Base | - | Lower | - |
| 1981 | GMC | K1500 | High Sierra | - | Lower | - |
| 1981 | GMC | K1500 | Sierra Classic | - | Lower | - |
| 1981 | GMC | K1500 | Sierra Grande | - | Lower | - |
| 1981 | GMC | K1500 Suburban | Base | - | Lower | - |
| 1981 | GMC | K1500 Suburban | High Sierra | - | Lower | - |
| 1981 | GMC | K1500 Suburban | Sierra Classic | - | Lower | - |
| 1981 | GMC | K1500 Suburban | Sierra Grande | - | Lower | - |
| 1981 | GMC | K2500 | Base | - | Lower | - |
| 1981 | GMC | K2500 | High Sierra | - | Lower | - |
| 1981 | GMC | K2500 | Sierra Classic | - | Lower | - |
| 1981 | GMC | K2500 | Sierra Grande | - | Lower | - |
| 1981 | GMC | K2500 Suburban | Base | - | Lower | - |
| 1981 | GMC | K2500 Suburban | High Sierra | - | Lower | - |
| 1981 | GMC | K2500 Suburban | Sierra Classic | - | Lower | - |
| 1981 | GMC | K2500 Suburban | Sierra Grande | - | Lower | - |
| 1981 | Plymouth | Trailduster | Base | - | Lower | 4WD |
| 1982 | Chevrolet | K5 Blazer | Custom | - | Lower | 4WD |
| 1982 | Chevrolet | K5 Blazer | Silverado | - | Lower | 4WD |
| 1982 | Chevrolet | K10 | Custom | - | Lower | - |
| 1982 | Chevrolet | K10 | Scottsdale | - | Lower | - |
| 1982 | Chevrolet | K10 | Silverado | - | Lower | - |
| 1982 | Chevrolet | K10 Suburban | Custom | - | Lower | - |
| 1982 | Chevrolet | K10 Suburban | Scottsdale | - | Lower | - |
| 1982 | Chevrolet | K10 Suburban | Silverado | - | Lower | - |
| 1982 | Chevrolet | K20 | Custom | - | Lower | - |
| 1982 | Chevrolet | K20 | Scottsdale | - | Lower | - |
| 1982 | Chevrolet | K20 | Silverado | - | Lower | - |
| 1982 | Chevrolet | K20 Suburban | Custom | - | Lower | - |
| 1982 | Chevrolet | K20 Suburban | Scottsdale | - | Lower | - |
| 1982 | Chevrolet | K20 Suburban | Silverado | - | Lower | - |
| 1982 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1982 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1982 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1982 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1982 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1982 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1982 | Ford | Bronco | XLS | - | Lower | 4WD |
| 1982 | Ford | Bronco | XLT Lariat | - | Lower | 4WD |
| 1982 | Ford | F-100 | Custom | - | Lower | 4WD |
| 1982 | Ford | F-100 | XL | - | Lower | 4WD |
| 1982 | Ford | F-100 | XLS | - | Lower | 4WD |
| 1982 | Ford | F-100 | XLT Lariat | - | Lower | 4WD |
| 1982 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1982 | Ford | F-150 | XL | - | Lower | 4WD |
| 1982 | Ford | F-150 | XLS | - | Lower | 4WD |
| 1982 | Ford | F-150 | XLT Lariat | - | Lower | 4WD |
| 1982 | Ford | F-250 | Custom | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1982 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1982 | Ford | F-250 | XLS | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1982 | Ford | F-250 | XLT Lariat | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1982 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1982 | GMC | Jimmy | High Sierra | - | Lower | 4WD |
| 1982 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1982 | GMC | Jimmy | Sierra Grande | - | Lower | 4WD |
| 1982 | GMC | Jimmy | Street Coupe | - | Lower | 4WD |
| 1982 | GMC | K1500 | Base | - | Lower | - |
| 1982 | GMC | K1500 | High Sierra | - | Lower | - |
| 1982 | GMC | K1500 | Sierra Classic | - | Lower | - |
| 1982 | GMC | K1500 | Sierra Grande | - | Lower | - |
| 1982 | GMC | K1500 Suburban | Base | - | Lower | - |
| 1982 | GMC | K1500 Suburban | High Sierra | - | Lower | - |
| 1982 | GMC | K1500 Suburban | Sierra Classic | - | Lower | - |
| 1982 | GMC | K1500 Suburban | Sierra Grande | - | Lower | - |
| 1982 | GMC | K2500 | Base | - | Lower | - |
| 1982 | GMC | K2500 | High Sierra | - | Lower | - |
| 1982 | GMC | K2500 | Sierra Classic | - | Lower | - |
| 1982 | GMC | K2500 | Sierra Grande | - | Lower | - |
| 1982 | GMC | K2500 Suburban | Base | - | Lower | - |
| 1982 | GMC | K2500 Suburban | High Sierra | - | Lower | - |
| 1982 | GMC | K2500 Suburban | Sierra Classic | - | Lower | - |
| 1982 | GMC | K2500 Suburban | Sierra Grande | - | Lower | - |
| 1983 | Chevrolet | K5 Blazer | Custom | - | Lower | 4WD |
| 1983 | Chevrolet | K5 Blazer | Silverado | - | Lower | 4WD |
| 1983 | Chevrolet | K10 | Custom | - | Lower | - |
| 1983 | Chevrolet | K10 | Scottsdale | 5.0L 305CID V8 | - | - |
| 1983 | Chevrolet | K10 | Silverado | - | Lower | - |
| 1983 | Chevrolet | K10 Suburban | Custom | - | Lower | - |
| 1983 | Chevrolet | K10 Suburban | Silverado | - | Lower | - |
| 1983 | Chevrolet | K20 | Custom | - | Lower | - |
| 1983 | Chevrolet | K20 | Scottsdale | 4.8L 292CID L6 | - | - |
| 1983 | Chevrolet | K20 | Silverado | - | Lower | - |
| 1983 | Chevrolet | K20 Suburban | Custom | - | Lower | - |
| 1983 | Chevrolet | K20 Suburban | Silverado | - | Lower | - |
| 1983 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1983 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1983 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1983 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1983 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1983 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1983 | Ford | Bronco | XLS | - | Lower | 4WD |
| 1983 | Ford | Bronco | XLT Lariat | - | Lower | 4WD |
| 1983 | Ford | F-100 | Base | - | Lower | 4WD |
| 1983 | Ford | F-100 | XL | - | Lower | 4WD |
| 1983 | Ford | F-100 | XLS | - | Lower | 4WD |
| 1983 | Ford | F-100 | XLT Lariat | - | Lower | 4WD |
| 1983 | Ford | F-150 | Base | - | Lower | 4WD |
| 1983 | Ford | F-150 | Custom | 5.0L 302CID V8 | - | - |
| 1983 | Ford | F-150 | XL | - | Lower | 4WD |
| 1983 | Ford | F-150 | XLS | - | Lower | 4WD |
| 1983 | Ford | F-150 | XLT | - | Lower | 4WD |
| 1983 | Ford | F-250 | Base | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1983 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1983 | Ford | F-250 | XLS | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1983 | Ford | F-250 | XLT | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1983 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1983 | GMC | Jimmy | High Sierra | - | Lower | 4WD |
| 1983 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1983 | GMC | K1500 | Base | - | Lower | - |
| 1983 | GMC | K1500 | High Sierra | - | Lower | - |
| 1983 | GMC | K1500 | Sierra Classic | - | Lower | - |
| 1983 | GMC | K1500 Suburban | Base | - | Lower | - |
| 1983 | GMC | K1500 Suburban | High Sierra | - | Lower | - |
| 1983 | GMC | K1500 Suburban | Sierra Classic | - | Lower | - |
| 1983 | GMC | K2500 | Base | - | Lower | - |
| 1983 | GMC | K2500 | High Sierra | - | Lower | - |
| 1983 | GMC | K2500 | Sierra Classic | - | Lower | - |
| 1983 | GMC | K2500 Suburban | Base | - | Lower | - |
| 1983 | GMC | K2500 Suburban | High Sierra | - | Lower | - |
| 1983 | GMC | K2500 Suburban | Sierra Classic | - | Lower | - |
| 1984 | Chevrolet | K5 Blazer | Custom | - | Lower | 4WD |
| 1984 | Chevrolet | K5 Blazer | Scottsdale | - | Lower | 4WD |
| 1984 | Chevrolet | K5 Blazer | Silverado | - | Lower | 4WD |
| 1984 | Chevrolet | K10 | Custom | - | Lower | - |
| 1984 | Chevrolet | K10 | Scottsdale | - | Lower | - |
| 1984 | Chevrolet | K10 | Silverado | 5.0L 305CID V8 | - | - |
| 1984 | Chevrolet | K10 Suburban | Custom | - | Lower | - |
| 1984 | Chevrolet | K10 Suburban | Scottsdale | - | Lower | - |
| 1984 | Chevrolet | K20 | Custom | - | Lower | - |
| 1984 | Chevrolet | K20 | Scottsdale | - | Lower | - |
| 1984 | Chevrolet | K20 Suburban | Custom | - | Lower | - |
| 1984 | Chevrolet | K20 Suburban | Scottsdale | - | Lower | - |
| 1984 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1984 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1984 | Dodge | W100 | Custom | 3.7L 3687CC 225CID L6 | - | - |
| 1984 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1984 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1984 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1984 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1984 | Ford | Bronco | XLT | - | Lower | 4WD |
| 1984 | Ford | F-150 | Base | - | Lower | 4WD |
| 1984 | Ford | F-150 | Custom | 5.0L 302CID V8 | - | - |
| 1984 | Ford | F-150 | Ranger | 5.8L 5753CC 351CID V8 | - | - |
| 1984 | Ford | F-150 | XL | - | Lower | 4WD |
| 1984 | Ford | F-150 | XLT | - | Lower | 4WD |
| 1984 | Ford | F-250 | Base | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1984 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1984 | Ford | F-250 | XLT | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1984 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1984 | GMC | Jimmy | High Sierra | - | Lower | 4WD |
| 1984 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1984 | GMC | K1500 | Base | - | Lower | - |
| 1984 | GMC | K1500 | High Sierra | - | Lower | - |
| 1984 | GMC | K1500 | Sierra Classic | - | Lower | - |
| 1984 | GMC | K1500 Suburban | Base | - | Lower | - |
| 1984 | GMC | K1500 Suburban | High Sierra | - | Lower | - |
| 1984 | GMC | K1500 Suburban | Sierra Classic | - | Lower | - |
| 1984 | GMC | K2500 | Base | - | Lower | - |
| 1984 | GMC | K2500 | High Sierra | - | Lower | - |
| 1984 | GMC | K2500 | Sierra Classic | - | Lower | - |
| 1984 | GMC | K2500 Suburban | Base | - | Lower | - |
| 1984 | GMC | K2500 Suburban | High Sierra | - | Lower | - |
| 1984 | GMC | K2500 Suburban | Sierra Classic | - | Lower | - |
| 1985 | Chevrolet | K5 Blazer | Custom | - | Lower | 4WD |
| 1985 | Chevrolet | K5 Blazer | Silverado | - | Lower | 4WD |
| 1985 | Chevrolet | K10 | Custom | - | Lower | - |
| 1985 | Chevrolet | K10 | Scottsdale | - | Lower | - |
| 1985 | Chevrolet | K10 | Silverado | - | Lower | - |
| 1985 | Chevrolet | K10 Suburban | Custom | - | Lower | - |
| 1985 | Chevrolet | K10 Suburban | Scottsdale | - | Lower | - |
| 1985 | Chevrolet | K10 Suburban | Silverado | - | Lower | - |
| 1985 | Chevrolet | K20 | Custom | - | Lower | - |
| 1985 | Chevrolet | K20 | Scottsdale | - | Lower | - |
| 1985 | Chevrolet | K20 | Silverado | - | Lower | - |
| 1985 | Chevrolet | K20 Suburban | Custom | - | Lower | - |
| 1985 | Chevrolet | K20 Suburban | Scottsdale | - | Lower | - |
| 1985 | Chevrolet | K20 Suburban | Silverado | - | Lower | - |
| 1985 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1985 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1985 | Dodge | W100 | Custom | 5.9L 360CID V8 | - | - |
| 1985 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1985 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1985 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1985 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1985 | Ford | Bronco | Eddie Bauer | - | Lower | 4WD |
| 1985 | Ford | Bronco | XLT | - | Lower | 4WD |
| 1985 | Ford | F-150 | Base | - | Lower | 4WD |
| 1985 | Ford | F-150 | Custom | 5.0L 302CID V8 | - | - |
| 1985 | Ford | F-150 | Ranger | 5.8L 5753CC 351CID V8 | - | - |
| 1985 | Ford | F-150 | XL | - | Lower | 4WD |
| 1985 | Ford | F-150 | XLT Lariat | - | Lower | 4WD |
| 1985 | Ford | F-250 | Base | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1985 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1985 | Ford | F-250 | XLT Lariat | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1985 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1985 | GMC | Jimmy | High Sierra | - | Lower | 4WD |
| 1985 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1985 | GMC | K1500 | Base | - | Lower | - |
| 1985 | GMC | K1500 | High Sierra | - | Lower | - |
| 1985 | GMC | K1500 | Sierra Classic | - | Lower | - |
| 1985 | GMC | K1500 Suburban | Base | - | Lower | - |
| 1985 | GMC | K1500 Suburban | High Sierra | - | Lower | - |
| 1985 | GMC | K1500 Suburban | Sierra Classic | - | Lower | - |
| 1985 | GMC | K2500 | Base | - | Lower | - |
| 1985 | GMC | K2500 | High Sierra | - | Lower | - |
| 1985 | GMC | K2500 | Sierra Classic | - | Lower | - |
| 1985 | GMC | K2500 Suburban | Base | - | Lower | - |
| 1985 | GMC | K2500 Suburban | High Sierra | - | Lower | - |
| 1985 | GMC | K2500 Suburban | Sierra Classic | - | Lower | - |
| 1986 | Chevrolet | K5 Blazer | Custom | - | Lower | 4WD |
| 1986 | Chevrolet | K5 Blazer | Silverado | - | Lower | 4WD |
| 1986 | Chevrolet | K10 | Custom | - | Lower | - |
| 1986 | Chevrolet | K10 | Scottsdale | - | Lower | - |
| 1986 | Chevrolet | K10 | Silverado | - | Lower | - |
| 1986 | Chevrolet | K10 Suburban | Custom | - | Lower | - |
| 1986 | Chevrolet | K10 Suburban | Scottsdale | - | Lower | - |
| 1986 | Chevrolet | K10 Suburban | Silverado | - | Lower | - |
| 1986 | Chevrolet | K20 | Custom | - | Lower | - |
| 1986 | Chevrolet | K20 | Scottsdale | - | Lower | - |
| 1986 | Chevrolet | K20 | Silverado | - | Lower | - |
| 1986 | Chevrolet | K20 Suburban | Custom | - | Lower | - |
| 1986 | Chevrolet | K20 Suburban | Scottsdale | - | Lower | - |
| 1986 | Chevrolet | K20 Suburban | Silverado | - | Lower | - |
| 1986 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1986 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1986 | Dodge | W100 | Custom | - | Lower | Except 4500 lb axle |
| 1986 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1986 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1986 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1986 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1986 | Ford | Bronco | Eddie Bauer | - | Lower | 4WD |
| 1986 | Ford | Bronco | XLT | - | Lower | 4WD |
| 1986 | Ford | F-150 | Base | - | Lower | 4WD |
| 1986 | Ford | F-150 | Custom | 3.8L 3797CC 232CID V6 | - | - |
| 1986 | Ford | F-150 | Ranger | 3.8L 3797CC 232CID V6 | - | - |
| 1986 | Ford | F-150 | XL | - | Lower | 4WD |
| 1986 | Ford | F-150 | XLT Lariat | - | Lower | 4WD |
| 1986 | Ford | F-250 | Base | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1986 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1986 | Ford | F-250 | XLT Lariat | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1986 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1986 | GMC | Jimmy | Sierra Classic | - | - | - |
| 1986 | GMC | Jimmy | Silverado | - | Lower | 4WD |
| 1986 | GMC | K1500 | Base | - | Lower | - |
| 1986 | GMC | K1500 | High Sierra | - | Lower | - |
| 1986 | GMC | K1500 | Sierra Classic | - | Lower | - |
| 1986 | GMC | K1500 Suburban | Base | - | Lower | - |
| 1986 | GMC | K1500 Suburban | High Sierra | - | Lower | - |
| 1986 | GMC | K1500 Suburban | Sierra Classic | - | Lower | - |
| 1986 | GMC | K2500 | Base | - | Lower | - |
| 1986 | GMC | K2500 | High Sierra | - | Lower | - |
| 1986 | GMC | K2500 | Sierra Classic | - | Lower | - |
| 1986 | GMC | K2500 Suburban | Base | - | Lower | - |
| 1986 | GMC | K2500 Suburban | High Sierra | - | Lower | - |
| 1986 | GMC | K2500 Suburban | Sierra Classic | - | Lower | - |
| 1987 | Chevrolet | Blazer | Custom Deluxe | - | Lower | 4WD |
| 1987 | Chevrolet | Blazer | Silverado | - | Lower | 4WD |
| 1987 | Chevrolet | V10 | Custom Deluxe | - | Lower | - |
| 1987 | Chevrolet | V10 | Scottsdale | - | Lower | - |
| 1987 | Chevrolet | V10 | Silverado | - | Lower | - |
| 1987 | Chevrolet | V10 Suburban | Custom Deluxe | - | Lower | - |
| 1987 | Chevrolet | V10 Suburban | Scottsdale | - | Lower | - |
| 1987 | Chevrolet | V10 Suburban | Silverado | - | Lower | - |
| 1987 | Chevrolet | V20 | Custom Deluxe | - | Lower | - |
| 1987 | Chevrolet | V20 | Scottsdale | - | Lower | - |
| 1987 | Chevrolet | V20 | Silverado | - | Lower | - |
| 1987 | Chevrolet | V20 Suburban | Custom Deluxe | - | Lower | - |
| 1987 | Chevrolet | V20 Suburban | Scottsdale | - | Lower | - |
| 1987 | Chevrolet | V20 Suburban | Silverado | - | Lower | - |
| 1987 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1987 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1987 | Dodge | W100 | Custom | - | Lower | Except 4500 lb axle |
| 1987 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1987 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1987 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1987 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1987 | Ford | Bronco | Eddie Bauer | - | Lower | 4WD |
| 1987 | Ford | Bronco | XLT | - | Lower | 4WD |
| 1987 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1987 | Ford | F-150 | Ranger | 3.8L 3797CC 232CID V6 | - | - |
| 1987 | Ford | F-150 | XL | - | Lower | 4WD |
| 1987 | Ford | F-150 | XLT Lariat | - | Lower | 4WD |
| 1987 | Ford | F-250 | Custom | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1987 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1987 | Ford | F-250 | XLT Lariat | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1987 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1987 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1987 | GMC | V1500 | Base | - | Lower | - |
| 1987 | GMC | V1500 | High Sierra | - | Lower | - |
| 1987 | GMC | V1500 | Sierra Classic | - | Lower | - |
| 1987 | GMC | V1500 Suburban | Base | - | Lower | - |
| 1987 | GMC | V1500 Suburban | High Sierra | - | Lower | - |
| 1987 | GMC | V1500 Suburban | Sierra Classic | - | Lower | - |
| 1987 | GMC | V2500 | Base | - | Lower | - |
| 1987 | GMC | V2500 | High Sierra | - | Lower | - |
| 1987 | GMC | V2500 | Sierra Classic | - | Lower | - |
| 1987 | GMC | V2500 Suburban | Base | - | Lower | - |
| 1987 | GMC | V2500 Suburban | High Sierra | - | Lower | - |
| 1987 | GMC | V2500 Suburban | Sierra Classic | - | Lower | - |
| 1988 | Chevrolet | Blazer | Scottsdale | - | Lower | 4WD |
| 1988 | Chevrolet | Blazer | Silverado | - | Lower | 4WD |
| 1988 | Chevrolet | K1500 | Cheyenne | 6.2L 379CID V8 | - | - |
| 1988 | Chevrolet | K1500 | Scottsdale | 5.7L 350CID V8 | - | - |
| 1988 | Chevrolet | K1500 | Silverado | 5.7L 350CID V8 | - | - |
| 1988 | Chevrolet | K2500 | Cheyenne | 4.3L 262CID V6 | - | - |
| 1988 | Chevrolet | K2500 | Scottsdale | 5.7L 350CID V8 | - | - |
| 1988 | Chevrolet | K2500 | Silverado | 5.7L 350CID V8 | - | - |
| 1988 | Chevrolet | V10 Suburban | Scottsdale | - | Lower | - |
| 1988 | Chevrolet | V10 Suburban | Silverado | - | Lower | - |
| 1988 | Chevrolet | V20 Suburban | Scottsdale | - | Lower | - |
| 1988 | Chevrolet | V20 Suburban | Silverado | - | Lower | - |
| 1988 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1988 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1988 | Dodge | W100 | Custom | - | Lower | Except 4500 lb axle |
| 1988 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1988 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1988 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1988 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1988 | Ford | Bronco | Eddie Bauer | - | Lower | 4WD |
| 1988 | Ford | Bronco | XLT | - | Lower | 4WD |
| 1988 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1988 | Ford | F-150 | Ranger | 3.8L 3797CC 232CID V6 | - | - |
| 1988 | Ford | F-150 | XL | - | Lower | 4WD |
| 1988 | Ford | F-150 | XLT Lariat | - | Lower | 4WD |
| 1988 | Ford | F-250 | Custom | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1988 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1988 | Ford | F-250 | XLT Lariat | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1988 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1988 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1988 | GMC | K1500 | Sierra | - | - | - |
| 1988 | GMC | K1500 | Sierra SLE | 4.3L 262CID V6 | - | - |
| 1988 | GMC | K1500 | Sierra SLX | 6.2L 379CID V8 | - | - |
| 1988 | GMC | K2500 | Sierra | 4.3L 262CID V6 | - | - |
| 1988 | GMC | K2500 | Sierra SLE | - | - | - |
| 1988 | GMC | K2500 | Sierra SLX | 4.3L 262CID V6 | - | - |
| 1988 | GMC | V1500 Suburban | Base | - | Lower | - |
| 1988 | GMC | V1500 Suburban | Sierra Classic | - | Lower | - |
| 1988 | GMC | V2500 Suburban | Base | - | Lower | - |
| 1988 | GMC | V2500 Suburban | Sierra Classic | - | Lower | - |
| 1989 | Chevrolet | Blazer | Scottsdale | - | Lower | 4WD |
| 1989 | Chevrolet | Blazer | Silverado | - | Lower | 4WD |
| 1989 | Chevrolet | K1500 | Cheyenne | 6.2L 379CID V8 | - | - |
| 1989 | Chevrolet | K1500 | Scottsdale | - | - | - |
| 1989 | Chevrolet | K1500 | Silverado | 5.7L 350CID V8 | - | - |
| 1989 | Chevrolet | K2500 | Cheyenne | - | - | - |
| 1989 | Chevrolet | K2500 | Scottsdale | - | - | - |
| 1989 | Chevrolet | K2500 | Silverado | 5.0L 305CID V8 | - | - |
| 1989 | Chevrolet | V1500 Suburban | Scottsdale | - | Lower | - |
| 1989 | Chevrolet | V1500 Suburban | Silverado | - | Lower | - |
| 1989 | Chevrolet | V2500 Suburban | Scottsdale | - | Lower | - |
| 1989 | Chevrolet | V2500 Suburban | Silverado | - | Lower | - |
| 1989 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1989 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1989 | Dodge | W100 | Custom | - | Lower | Except 4500 lb axle |
| 1989 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1989 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1989 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1989 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1989 | Ford | Bronco | Eddie Bauer | - | Lower | 4WD |
| 1989 | Ford | Bronco | XLT | - | Lower | 4WD |
| 1989 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1989 | Ford | F-150 | Ranger | 3.8L 3797CC 232CID V6 | - | - |
| 1989 | Ford | F-150 | XL | - | Lower | 4WD |
| 1989 | Ford | F-150 | XLT Lariat | - | Lower | 4WD |
| 1989 | Ford | F-250 | Custom | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1989 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1989 | Ford | F-250 | XLT Lariat | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1989 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1989 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1989 | GMC | K1500 | Sierra | 5.0L 305CID V8 | - | - |
| 1989 | GMC | K1500 | Sierra SLE | 4.3L 262CID V6 | - | - |
| 1989 | GMC | K1500 | Sierra SLX | 5.0L 305CID V8 | - | - |
| 1989 | GMC | K2500 | Sierra | 4.3L 262CID V6 | - | - |
| 1989 | GMC | K2500 | Sierra SLE | 6.2L 379CID V8 | - | - |
| 1989 | GMC | K2500 | Sierra SLX | 6.2L 379CID V8 | - | - |
| 1989 | GMC | V1500 Suburban | Base | - | Lower | - |
| 1989 | GMC | V1500 Suburban | Sierra Classic | - | Lower | - |
| 1989 | GMC | V2500 Suburban | Base | - | Lower | - |
| 1989 | GMC | V2500 Suburban | Sierra Classic | - | Lower | - |
| 1990 | Chevrolet | Blazer | Scottsdale | - | Lower | 4WD |
| 1990 | Chevrolet | Blazer | Silverado | - | Lower | 4WD |
| 1990 | Chevrolet | K1500 | Cheyenne | 5.7L 350CID V8 | - | - |
| 1990 | Chevrolet | K1500 | Scottsdale | 4.3L 262CID V6 | - | - |
| 1990 | Chevrolet | K1500 | Silverado | - | - | - |
| 1990 | Chevrolet | K1500 | WT | - | - | - |
| 1990 | Chevrolet | K2500 | Cheyenne | 5.7L 350CID V8 | - | - |
| 1990 | Chevrolet | K2500 | Scottsdale | 5.7L 350CID V8 | - | - |
| 1990 | Chevrolet | K2500 | Silverado | 5.7L 350CID V8 | - | - |
| 1990 | Chevrolet | V1500 Suburban | Scottsdale | - | Lower | - |
| 1990 | Chevrolet | V1500 Suburban | Silverado | - | Lower | - |
| 1990 | Chevrolet | V2500 Suburban | Scottsdale | - | Lower | - |
| 1990 | Chevrolet | V2500 Suburban | Silverado | - | Lower | - |
| 1990 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1990 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1990 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1990 | Dodge | W150 | S | - | Lower | Except 4500 lb axle |
| 1990 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1990 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1990 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1990 | Ford | Bronco | Eddie Bauer | - | Lower | 4WD |
| 1990 | Ford | Bronco | XL | - | Lower | 4WD |
| 1990 | Ford | Bronco | XLT | - | Lower | 4WD |
| 1990 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1990 | Ford | F-150 | XL | - | Lower | 4WD |
| 1990 | Ford | F-150 | XLT | 3.8L 3797CC 232CID V6 | - | - |
| 1990 | Ford | F-150 | XLT Lariat | - | Lower | 4WD |
| 1990 | Ford | F-250 | Custom | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1990 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1990 | Ford | F-250 | XLT Lariat | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1990 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1990 | GMC | Jimmy | Sierra Classic | - | Lower | 4WD |
| 1990 | GMC | K1500 | Sierra | 4.3L 262CID V6 | - | - |
| 1990 | GMC | K1500 | Sierra SLE | 5.0L 305CID V8 | - | - |
| 1990 | GMC | K1500 | Sierra SLX | 4.3L 262CID V6 | - | - |
| 1990 | GMC | K2500 | Sierra | 5.0L 305CID V8 | - | - |
| 1990 | GMC | K2500 | Sierra SLE | 4.3L 262CID V6 | - | - |
| 1990 | GMC | K2500 | Sierra SLX | 5.7L 350CID V8 | - | - |
| 1990 | GMC | V1500 Suburban | Base | - | Lower | - |
| 1990 | GMC | V1500 Suburban | SLE | - | Lower | - |
| 1990 | GMC | V2500 Suburban | Base | - | Lower | - |
| 1990 | GMC | V2500 Suburban | SLE | - | Lower | - |
| 1991 | Chevrolet | Blazer | Scottsdale | - | Lower | 4WD |
| 1991 | Chevrolet | Blazer | Silverado | - | Lower | 4WD |
| 1991 | Chevrolet | K1500 | Cheyenne | 4.3L 262CID V6 | - | - |
| 1991 | Chevrolet | K1500 | Scottsdale | 6.2L 379CID V8 | - | - |
| 1991 | Chevrolet | K1500 | Silverado | 5.7L 350CID V8 | - | - |
| 1991 | Chevrolet | K1500 | Sport | 6.2L 379CID V8 | - | - |
| 1991 | Chevrolet | K1500 | WT | 6.2L 379CID V8 | - | - |
| 1991 | Chevrolet | K2500 | Cheyenne | 7.4L 454CID V8 | - | - |
| 1991 | Chevrolet | K2500 | Scottsdale | 4.3L 262CID V6 | - | - |
| 1991 | Chevrolet | K2500 | Silverado | 5.0L 305CID V8 | - | - |
| 1991 | Chevrolet | V1500 Suburban | Scottsdale | - | Lower | - |
| 1991 | Chevrolet | V1500 Suburban | Silverado | - | Lower | - |
| 1991 | Chevrolet | V2500 Suburban | Scottsdale | - | Lower | - |
| 1991 | Chevrolet | V2500 Suburban | Silverado | - | Lower | - |
| 1991 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1991 | Dodge | Ramcharger | Canyon Sport | - | Lower | 4WD |
| 1991 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1991 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1991 | Dodge | W150 | S | - | Lower | Except 4500 lb axle |
| 1991 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1991 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1991 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1991 | Ford | Bronco | Eddie Bauer | - | Lower | 4WD |
| 1991 | Ford | Bronco | XL | - | Lower | 4WD |
| 1991 | Ford | Bronco | XLT | - | Lower | 4WD |
| 1991 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1991 | Ford | F-150 | XL | - | Lower | 4WD |
| 1991 | Ford | F-150 | XLT | 3.8L 3797CC 232CID V6 | - | - |
| 1991 | Ford | F-150 | XLT Lariat | - | Lower | 4WD |
| 1991 | Ford | F-250 | Custom | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1991 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1991 | Ford | F-250 | XLT Lariat | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1991 | GMC | Jimmy | Base | - | Lower | 4WD |
| 1991 | GMC | K1500 | Sierra | - | - | - |
| 1991 | GMC | K1500 | Sierra SLE | 4.3L 262CID V6 | - | - |
| 1991 | GMC | K1500 | Sierra SLX | 5.0L 305CID V8 | - | - |
| 1991 | GMC | K2500 | Sierra | 4.3L 262CID V6 | - | - |
| 1991 | GMC | K2500 | Sierra SLE | - | - | - |
| 1991 | GMC | K2500 | Sierra SLX | 6.2L 379CID V8 | - | - |
| 1991 | GMC | V1500 Suburban | Base | - | Lower | - |
| 1991 | GMC | V2500 Suburban | Base | - | Lower | - |
| 1992 | Chevrolet | Blazer | Cheyenne | - | Lower | 4WD |
| 1992 | Chevrolet | Blazer | Silverado | - | Lower | 4WD |
| 1992 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1992 | Dodge | Ramcharger | Canyon Sport | - | Lower | 4WD |
| 1992 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1992 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1992 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1992 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1992 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1992 | Ford | Bronco | Eddie Bauer | - | Lower | 4WD |
| 1992 | Ford | Bronco | XL | - | Lower | 4WD |
| 1992 | Ford | Bronco | XLT | - | Lower | 4WD |
| 1992 | Ford | Bronco | XLT Nite | - | Lower | 4WD |
| 1992 | Ford | F-150 | Custom | - | Lower | 4WD |
| 1992 | Ford | F-150 | XL | - | Lower | 4WD |
| 1992 | Ford | F-150 | XLT | 3.8L 3797CC 232CID V6 | - | - |
| 1992 | Ford | F-150 | XLT Lariat | - | Lower | 4WD |
| 1992 | Ford | F-250 | Custom | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1992 | Ford | F-250 | Ranger | 5.8L 5753CC 351CID V8 | - | - |
| 1992 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1992 | Ford | F-250 | XLT Lariat | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1993 | Chevrolet | Blazer | Cheyenne | - | Lower | 4WD |
| 1993 | Chevrolet | Blazer | Silverado | - | Lower | 4WD |
| 1993 | Dodge | Ramcharger | Base | - | Lower | 4WD |
| 1993 | Dodge | Ramcharger | Canyon Sport | - | Lower | 4WD |
| 1993 | Dodge | Ramcharger | Royal SE | - | Lower | 4WD |
| 1993 | Dodge | W150 | Base | - | Lower | Except 4500 lb axle |
| 1993 | Dodge | W250 | Base | - | Lower | Except 4500 lb axle |
| 1993 | Dodge | W350 | Base | - | Lower | Except 4500 lb axle |
| 1993 | Ford | Bronco | Custom | - | Lower | 4WD |
| 1993 | Ford | Bronco | Eddie Bauer | - | Lower | 4WD |
| 1993 | Ford | Bronco | XL | - | Lower | 4WD |
| 1993 | Ford | Bronco | XLT Lariat | - | Lower | 4WD |
| 1993 | Ford | F-150 | Lightning | 5.8L 5753CC 351CID V8 | - | - |
| 1993 | Ford | F-150 | XL | - | Lower | 4WD |
| 1993 | Ford | F-150 | XLT | - | Lower | 4WD |
| 1993 | Ford | F-250 | Custom | 5.0L 302CID V8 | - | - |
| 1993 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1993 | Ford | F-250 | XLT | - | - | - |
| 1994 | Dodge | Ram 1500 | Base | - | Lower | 4WD |
| 1994 | Dodge | Ram 1500 | Custom | 3.9L 3906CC 239CID V6 | - | - |
| 1994 | Dodge | Ram 1500 | Lujo | 3.9L 3906CC 239CID V6 | - | - |
| 1994 | Dodge | Ram 1500 | Runner | 3.9L 3906CC 239CID V6 | - | - |
| 1994 | Dodge | Ram 2500 | Base | - | Lower | 4WD; With Dana 44 axle |
| 1994 | Ford | Bronco | Eddie Bauer | - | Lower | 4WD |
| 1994 | Ford | Bronco | XL | - | Lower | 4WD |
| 1994 | Ford | Bronco | XLT | - | Lower | 4WD |
| 1994 | Ford | F-150 | Lightning | 5.8L 5753CC 351CID V8 | - | - |
| 1994 | Ford | F-150 | XL | - | Lower | 4WD |
| 1994 | Ford | F-150 | XLT | - | Lower | 4WD |
| 1994 | Ford | F-250 | Custom | 5.0L 302CID V8 | - | - |
| 1994 | Ford | F-250 | Ranger | 5.8L 5753CC 351CID V8 | - | - |
| 1994 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1994 | Ford | F-250 | XLT | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1995 | Dodge | Ram 1500 | Base | - | Lower | 4WD |
| 1995 | Dodge | Ram 1500 | Custom | 5.2L 5211CC 318CID V8 | - | - |
| 1995 | Dodge | Ram 1500 | Lujo | 5.9L 360CID V8 | - | - |
| 1995 | Dodge | Ram 1500 | Runner | 3.9L 3906CC 239CID V6 | - | - |
| 1995 | Dodge | Ram 2500 | Base | - | Lower | 4WD; With Dana 44 axle |
| 1995 | Dodge | Ram 2500 | Custom | 5.9L 360CID V8 | - | - |
| 1995 | Dodge | Ram 2500 | Limited | 5.9L 360CID V8 | - | - |
| 1995 | Dodge | Ram 2500 | Lujo | 5.9L 360CID V8 | - | - |
| 1995 | Dodge | Ram 2500 | Runner | 5.9L 360CID V8 | - | - |
| 1995 | Ford | Bronco | Eddie Bauer | - | Lower | 4WD |
| 1995 | Ford | Bronco | XL | - | Lower | 4WD |
| 1995 | Ford | Bronco | XLT | - | Lower | 4WD |
| 1995 | Ford | Bronco | XLT Sport | - | Lower | 4WD |
| 1995 | Ford | F-150 | Eddie Bauer | - | Lower | 4WD |
| 1995 | Ford | F-150 | Lightning | 5.8L 5753CC 351CID V8 | - | - |
| 1995 | Ford | F-150 | Special | - | Lower | 4WD |
| 1995 | Ford | F-150 | XL | - | Lower | 4WD |
| 1995 | Ford | F-150 | XLT | - | Lower | 4WD |
| 1995 | Ford | F-250 | Base | 5.0L 302CID V8 | - | - |
| 1995 | Ford | F-250 | Eddie Bauer | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1995 | Ford | F-250 | Special | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1995 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1995 | Ford | F-250 | XLT | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1996 | Dodge | Ram 1500 | Base | - | Lower | 4WD |
| 1996 | Dodge | Ram 1500 | Custom | 5.9L 360CID V8 | - | - |
| 1996 | Dodge | Ram 1500 | Lujo | 3.9L 3906CC 239CID V6 | - | - |
| 1996 | Dodge | Ram 1500 | Runner | 5.2L 5211CC 318CID V8 | - | - |
| 1996 | Dodge | Ram 2500 | Base | - | Lower | 4WD; With Dana 44 axle |
| 1996 | Dodge | Ram 2500 | Custom | 5.9L 360CID V8 | - | - |
| 1996 | Dodge | Ram 2500 | Laramie | 5.9L 360CID V8 | - | - |
| 1996 | Dodge | Ram 2500 | Limited | 5.9L 360CID V8 | - | - |
| 1996 | Dodge | Ram 2500 | Lujo | 5.9L 360CID V8 | - | - |
| 1996 | Dodge | Ram 2500 | Runner | 5.9L 360CID V8 | - | - |
| 1996 | Ford | Bronco | Eddie Bauer | - | Lower | 4WD |
| 1996 | Ford | Bronco | XL | - | Lower | 4WD |
| 1996 | Ford | Bronco | XLT | - | Lower | 4WD |
| 1996 | Ford | Bronco | XLT Sport | - | Lower | 4WD |
| 1996 | Ford | F-100 Ranger | Base | 3.0L 2986CC 182CID V6 | - | - |
| 1996 | Ford | F-100 Ranger | XL | 2.3L 140CID L4 | - | - |
| 1996 | Ford | F-100 Ranger | XLT | 2.3L 140CID L4 | - | - |
| 1996 | Ford | F-150 | Eddie Bauer | - | Lower | 4WD |
| 1996 | Ford | F-150 | Special | - | Lower | 4WD |
| 1996 | Ford | F-150 | XL | - | Lower | 4WD |
| 1996 | Ford | F-150 | XLT | - | Lower | 4WD |
| 1996 | Ford | F-250 | Eddie Bauer | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1996 | Ford | F-250 | Special | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1996 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1996 | Ford | F-250 | XLT | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1996 | Ford | F-250 | XLT VIP | 5.8L 5753CC 351CID V8 | - | - |
| 1997 | Dodge | Ram 1500 | Custom | 3.9L 3906CC 239CID V6 | - | - |
| 1997 | Dodge | Ram 1500 | Laramie | - | Lower | 4WD |
| 1997 | Dodge | Ram 1500 | LT | 3.9L 3906CC 239CID V6 | - | - |
| 1997 | Dodge | Ram 1500 | Lujo | 5.2L 5211CC 318CID V8 | - | - |
| 1997 | Dodge | Ram 1500 | Runner | 5.2L 5211CC 318CID V8 | - | - |
| 1997 | Dodge | Ram 1500 | Sport | - | Lower | 4WD |
| 1997 | Dodge | Ram 1500 | SS/T 5.9L | 5.9L 360CID V8 | - | - |
| 1997 | Dodge | Ram 1500 | ST | - | Lower | 4WD |
| 1997 | Dodge | Ram 1500 | WS | 3.9L 3906CC 239CID V6 | - | - |
| 1997 | Dodge | Ram 2500 | Base | - | Lower | 4WD; With Dana 44 axle |
| 1997 | Dodge | Ram 2500 | Custom | 5.2L 5211CC 318CID V8 | - | - |
| 1997 | Dodge | Ram 2500 | Laramie | 5.9L 360CID V8 | - | - |
| 1997 | Dodge | Ram 2500 | Limited | 5.9L 360CID V8 | - | - |
| 1997 | Dodge | Ram 2500 | Lujo | 5.9L 360CID V8 | - | - |
| 1997 | Dodge | Ram 2500 | Runner | 5.9L 360CID V8 | - | - |
| 1997 | Ford | F-250 | Base | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1997 | Ford | F-250 | Lariat | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1997 | Ford | F-250 | XL | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1997 | Ford | F-250 | XLT | - | Lower | 4WD; With 3800, 3850 lb axle except 4.10 ratio |
| 1998 | Dodge | Ram 1500 | Laramie | - | Lower | 4WD |
| 1998 | Dodge | Ram 1500 | Sport | - | Lower | 4WD |
| 1998 | Dodge | Ram 1500 | ST | - | Lower | 4WD |
| 1998 | Dodge | Ram 1500 | WS | - | - | - |
| 1998 | Dodge | Ram 2500 | Base | - | Lower | 4WD; With Dana 44 axle |
| 1999 | Dodge | Ram 1500 | Laramie | - | Lower | 4WD |
| 1999 | Dodge | Ram 1500 | Sport | - | Lower | 4WD |
| 1999 | Dodge | Ram 1500 | ST | - | Lower | 4WD |
| 1999 | Dodge | Ram 1500 | WS | - | - | - |
| 1999 | Dodge | Ram 2500 | Base | - | Lower | 4WD; With Dana 44 axle |