Serving customers since 1960 — over 250,000 satisfied customers
with H.D. brakes; Model code W: 4x4, Conventional Cab
with 11in x 2.5in Brake Shoe
Standard
Standard
Except High Performance
1-1/8in Sway Bar Diameter
Except 4500 lb axle
Except 4500 lb axle
4 Groove Exhaust Valve
Except Premium Engine
1 Groove Intake Valve
2 Groove Intake Valve
Premium Engine
2 Groove Exhaust Valve
Hydraulic Lifter
2 Groove Intake Valve
Premium Engine
with Single Groove
Except Premium Engine
Premium Engine
2 Groove Exhaust Valve
Except Premium Engine
4 Groove Exhaust Valve
Standard
Standard
