Speed Pro Hypereutectic Piston 4.310" Bore 5/64 x 5/64 x 3/16" Ring Grooves Plus 10.5 cc - Coated Skirt Torsion Clip 4bbl manifold (except spread- bore

4bbl manifold (except spread- bore applications)

1/2"NPT bung for additional temperature sender/switch and mounting clips

75" diameter signiture the Stealth HD quickener will practically disappear once installed

5 in OD Spring

Speed Pro Hypereutectic Piston 4.310" Bore 5/64 x 5/64 x 3/16" Ring Grooves Plus 10.5 cc - Coated Skirt Torsion Clip 4bbl manifold (except spread- boreSophisticated "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,