Speed Pro Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 12.0 cc - Coated Skirt RS004C1911 31 in Extended

31 in Extended

1997-2003 FORD F150

low profile design of Hedman's Block Hugger Hedders is ideal for factory manifold replacement

3-1/2 in Outlet

Chevrolet: Biscayne 70 - 72 7

Speed Pro Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 12.0 cc - Coated Skirt RS004C1911 31 in ExtendedSophisticated "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,