Speed Pro Speed Pro Piston Forged 4.155" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 18.0 cc 24-CHL-N-11 Deck Plug Kit

Deck Plug Kit

Four Display Screens

1976-1985 Chevrolet Chevette

tight tolerance TIR (Total Indicated Runout) deviation from datum line (USA)

Pontiac 326-455

Speed Pro Speed Pro Piston Forged 4.155" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 18.0 cc 24-CHL-N-11 Deck Plug KitFully 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.