Speed Pro Speed Pro Piston Forged 4.154" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 21.0 cc Hepfner Racing Products 00-inch Converter Bolt Pattern

00-inch Converter Bolt Pattern

1967-1986 Chevrolet C20 Suburban CID 283

From state-of-the-art helmets to top-of-the-line racing suits and safety harnesses

putting both into one easy to use unit

The newly redesigned Trifecta 2

Speed Pro Speed Pro Piston Forged 4.154" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 21.0 cc Hepfner Racing Products 00-inch Converter Bolt PatternFully 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.