Speed Pro Hypereutectic Piston 4.060" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 5.0 cc - Coated Skirt Brake Bias Cable Air fed into the Top

Air fed into the Top Air is directed both to the top of the head and down over the face

or 8-cylinder engines

Embroidered logos and designs

Highly polished aluminum

Reduces rotating weight

Speed Pro Hypereutectic Piston 4.060" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 5.0 cc - Coated Skirt Brake Bias Cable Air fed into the TopChevrolet 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