Speed Pro Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves Plus 10.5 cc - Coated Skirt CC-KEN Pace Race Jacks are race

Pace Race Jacks are race proven performers from weekly short tracks to Cup

1976-1980 Chevrolet K10Fits 1990 and earlier GM 454 cid big block externally balanced V8 engine uses a 168 tooth ring gear and has 10

1965-1987 Pontiac Bonneville

2018-2023 Jeep Wrangler Unlimited Sahara

Speed Pro Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves Plus 10.5 cc - Coated Skirt CC-KEN Pace Race Jacks are raceSophisticated "barrel" profiles help optimize oil wedge between skirt and wall. Piston skirts protected by next gen DUROSHIELD coating. TAC ring groove geometry Weight matched to + 2 grams. Machined valve reliefs and circlip grooves; LR 63 lock rings for floated applicationsFrom pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for industry leading performance engine technologies,