Speed Pro Speed Pro Piston Forged 4.090" Bore 5/64 x 3/32 x 3/16" Ring Grooves - Minus 10.0 cc Arm Restraints Mounting hardware and a 3/4"

Mounting hardware and a 3/4" Panhard bar bolt are included

Mustang II/Pinto spindles are direct replacements for stock O

Wideband SensorFAST is the leading developer of electronic fuel injection systems

Billet mounts

Speed Pro Speed Pro Piston Forged 4.090" Bore 5/64 x 3/32 x 3/16" Ring Grooves - Minus 10.0 cc Arm Restraints Mounting hardware and a 3/4"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 skirt sizes are matched to within 0.