Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 36.3 cc AS05321 Orange Anodized

Orange Anodized

BB Chevy Belt Drive kit

1961-1967 Chevrolet P30 Series

400" for custom tailoring and quicker lap times

Includes Mounting Screw

Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 36.3 cc AS05321 Orange AnodizedFully updated skirt profiles Exclusive DUROSHIELD skirt coating. DUROSHIELD provides scuff resistance, reduced bore clearances and enhanced ring sealing. SPEED PRO POWERFORGED pistons are built to stringent specifications with a precision CNC machined dome and skirts and microfinished ring grooves. The manufacturing process ensures that piston weights within a boxed set will not vary more than 4 grams and that skirt sizes are matched to within 0.