Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 16.8 cc 10203S Designed to quickly and safely

Designed to quickly and safely restore

Up To +86HP/63 ft

Designed to hug the damper so it is easier to line up the damper and the pointer

Black Anodized / Black Braided Fabric

Ford or Mitsubishi housings

Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 16.8 cc 10203S Designed to quickly and safelyPOWERFORGED Piston 454 Chevy, . 140" Dome Fully 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