Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 4.9 cc Camshaft Bearing 1974-1984 Oldsmobile 98

1974-1984 Oldsmobile 98

Bump Steer

COMP Cams Degree Bushings accurately position camshafts in the block

1965-1965 GMC 1000 Series

Add a custom

Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 4.9 cc Camshaft Bearing 1974-1984 Oldsmobile 98Fully 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.