Speed Pro Speed Pro Piston Forged 4.000" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.1 cc H764009L Use also in light duty

Use also in light duty manual transmissions to increase shifting ease and transmission life

Compact Small Buckle Latch Mechanism

10 AN Male to 1/2 in NPT Male

Ahead of the curve

Topping it all off is a heavy-duty rotor and a red MSD cap with brass terminals to ensure full spark delivery

Speed Pro Speed Pro Piston Forged 4.000" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.1 cc H764009L Use also in light dutyFully 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.