Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 16.8 cc RG40003M 180 in Thick

180 in Thick

Kit comes with drill bit linkage and hardware

this distributor gear is melonized to prevent excessive friction and wear

AutoMeter Gauge

Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 16.8 cc RG40003M 180 in ThickPOWERFORGED 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