Speed Pro Hypereutectic Piston 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 16.0 cc - Coated Skirt 4704323-20- M By significantly reducing drive line

By significantly reducing drive line bind

1968-1979 Chevrolet K10 Suburban

1968-1970 Chevrolet C10 Suburban

Pressure Activated Switch Eliminates Hassle of Fabricating Pedal Operated Switch

13-19 in Height Adjustable

Speed Pro Hypereutectic Piston 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 16.0 cc - Coated Skirt 4704323-20- M By significantly reducing drive lineSophisticated "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,