Speed Pro Speed Pro Piston Forged 4.390" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 1.2 cc BR20035 7L Cummins performance engine builds

7L Cummins performance engine builds above 700hp / 1

Designed for use with our fiberglass antenna

Blue Metal Flake Grip

The brass terminal cap and rotor provide maximum conductivity

Brackets work with the standard secondary arm as well as a throttle adjust-ment-screw secondary arm

Speed Pro Speed Pro Piston Forged 4.390" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 1.2 cc BR20035 7L Cummins performance engine buildsFully 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.