Speed Pro Hypereutectic Piston - 4.030 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 5.00 cc - Coated Skirt - Small Block Chevy - Set of 8 H860CP30 Shoulder Support Has Anti-balloon Plate

Has Anti-balloon Plate

54"_x009d_ of internal clearance over factory height valve covers

6 Cylinder ) 2" or 3" Drop

or reinforced industrial grade thread to fill needle holes and to reduce potential failure points in the material

Racepak Smartwire Keypad

Speed Pro Hypereutectic Piston - 4.030 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 5.00 cc - Coated Skirt - Small Block Chevy - Set of 8 H860CP30 Shoulder Support Has Anti-balloon PlateChevrolet Small Block Sophisticated "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