Speed Pro Speed Pro Piston Forged 4.390" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 1.2 cc BR40071 1986-1989 Dodge B350

1986-1989 Dodge B350

MSD Crank Trigger Wheel Kit - Flying Magnet - SBC - 8 in

TIG-welded chrome-moly tube adapters

1966-1977 Ford Bronco

Peterson 9 in OD Oil Tanks

Speed Pro Speed Pro Piston Forged 4.390" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 1.2 cc BR40071 1986-1989 Dodge B350Fully 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.