Speed Pro Hypereutectic Piston 4.060" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 5.0 cc - Coated Skirt 4031 but for any serious off-roader

but for any serious off-roader

50in tailpipes

adjustable external linkage

while their aluminum construction and heat-dissipating fins keep temperature down

Features large center storage area

Speed Pro Hypereutectic Piston 4.060" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 5.0 cc - Coated Skirt 4031 but for any serious off-roaderChevrolet Small Block Sophisticated "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