Speed Pro Speed Pro Piston Forged 4.000" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.1 cc PD155K standard volume upgrade of the

standard volume upgrade of the M340

2A/1 approved lightweight FR Cotton suit is available in a large range of sizes to fit all drivers

Available in a set of 12 under 831-12The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

1962-2007 Chevrolet Corvette

Product Description: Fuel Pickup Reservoir

Speed Pro Speed Pro Piston Forged 4.000" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.1 cc PD155K standard volume upgrade of theFully 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.