Speed Pro Hypereutectic Piston 4.310" Bore 5/64 x 5/64 x 3/16" Ring Grooves Plus 10.5 cc - Coated Skirt BR40003 1963-1966 GMC 3500

1963-1966 GMC 3500

For separating

Windsor Ford w/Jesel

080 in Head

EZ-EFI Fuel can be installed easily in an afternoon and is a

Speed Pro Hypereutectic Piston 4.310" Bore 5/64 x 5/64 x 3/16" Ring Grooves Plus 10.5 cc - Coated Skirt BR40003 1963-1966 GMC 3500Sophisticated "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,