Speed Pro Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves Plus 10.5 cc - Coated Skirt R100033XL This product is legal only

This product is legal only for off highway use except in California or states that have adopted California's emission standards

This TPS is a Ford TPS with a GM 3 pin flat weatherpack connection

Chevrolet: Corvette 69 - 74 5

Piston Ring Expander Pliers

the HR Series is the most affordable and tunable carburetor on the market today

Speed Pro Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves Plus 10.5 cc - Coated Skirt R100033XL This product is legal onlySophisticated "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,