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

Wideband SensorFAST is the leading developer of electronic fuel injection systems

Holley's BILLET LS Throttle Bodies are the BIGGEST BORE (in the 90 to 95mm category) - MOST FEATURE LOADED available

Mustang II/Pinto spindles are direct replacements for stock O

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.