Speed Pro Speed Pro Piston Forged 4.124" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 21.0 cc Shocks Fuel pressure regulator is required

Fuel pressure regulator is required

DT50 utilizes advanced mPAO synthetic base oils to provide protection for high operating temperature turbocharged engines

1975-1985 Oldsmobile Custom Cruiser

(4) ORB-06 Ports

Speed Pro Speed Pro Piston Forged 4.124" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 21.0 cc Shocks Fuel pressure regulator is requiredFully 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.