Product Review

This listing is for a Hastings Moly piston ring set (P/N 2M139-.030) compatible replacements for the following Non-Vortec Engines applications: 1977-79 Pontiac 301ci V-8 1967-85 Chevrolet 302ci-327ci-350ci V-8s 1971-94 Chrysler/Dodge 360ci V-8 1963-86 Ford 289ci-302ci V-8 1969-91 Ford 351C-351M-351W-400ci V-8 1957-66 AMC 327ci V-8 1956-63 Cadillac 365ci-390ci V-8 1965-67 Oldsmobile 400ci V-8 CYLINDER DIAMETER: 4.030" Bore. TOP RING LAND: 5/64" Moly (compression) 2ND RING LAND: 5/64" Cast (compression) OIL RING LAND: 3/16" Stainless (deep)