Speed Pro Speed Pro Piston Forged 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.4 cc 57341111 Nitrous Express EFI Shark Nozzle

Nitrous Express EFI Shark Nozzle Adapter Fitting 15719

Specially designed to extend gear and bearing life

For Use With 322/364/401/425 cu

Means No More Packing Messy Wheel Bearings

Speed Pro Speed Pro Piston Forged 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.4 cc 57341111 Nitrous Express EFI Shark NozzleFully 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.