Speed Pro Speed Pro Piston Forged 4.160" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 10.3 cc 2070118 1990-1991 Chevrolet R3500

1990-1991 Chevrolet R3500

Plug and play compatible with more Holley EFI accessories such as

or spring dampers as it is called everywhere else except in the U

Includes A New Rotor

Manifold height: A-6

Speed Pro Speed Pro Piston Forged 4.160" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 10.3 cc 2070118 1990-1991 Chevrolet R3500Fully 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.