Speed Pro Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves Plus 22.0 cc - Coated Skirt H75915FXL Note: M1 Race Series Professional

Note: M1 Race Series Professional Radio does not require this cable

The spark output of the new box has been turned up to 535 volts of primary voltage with spark energy reaching up to 135millijoules

It features battery terminal connectors

Raised Camshaft Bore

Filter bodies are anodized for durability

Speed Pro Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves Plus 22.0 cc - Coated Skirt H75915FXL Note: M1 Race Series ProfessionalSophisticated "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,