Piston Ring

Help restore proper compression and oil control in your classic with these replacement piston rings. Whether you're replacing worn rings or completing a full engine rebuild, these essential components help seal the combustion chamber and keep your classic running strong. This Piston Ring fits 1968–1976 Cadillac DeVille, Eldorado, Fleetwood, Commercial Chassis and Calais.

• Engine: 472 cid (7.7L) V8; 500 cid (8.2L) V8
• Ring Size: Available in standard and in 0.020 in, 0.030 in, 0.040 in and 0.060 in oversizes
• Ring Specifications: Bore diameters range from 4.32 in to 4.36 in (109.728 mm to 110.744 mm) across the oversizes. Top and second rings have a radial wall thickness of 0.078 in. Top and second rings are iron on the cast iron variants.
• Fitment Notes: Not file fit, so rings come pre-gapped for the bore size. Cast iron and moly face options are offered. 472 cid engines are used from 1968 to 1974 and 500 cid engines from 1975 to 1976 on most models; Eldorado uses the 500 cid from 1970.