Speed Pro Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 16.0 cc - Coated Skirt White 6 AN Bulkhead 24 in

6 AN Bulkhead 24 in Long

1971-1979 Buick Skylark

ColorSHIFT

73-10 ohm (pre 90

Our steel retainers are precision machined from 4140 chromemoly and finished in black oxide

Speed Pro Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 16.0 cc - Coated Skirt White 6 AN Bulkhead 24 inSophisticated "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,