Speed Pro Speed Pro Piston Forged 4.087" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 0.0 cc HS11PAFIA 1978-1984 Chevrolet El Camino

1978-1984 Chevrolet El Camino

RM60 / RM45 / GMR45

If you are looking for a more direct fit please see Painless kit #10110

2018-2019 Jeep Wrangler Sport S

Speed Pro Speed Pro Piston Forged 4.087" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 0.0 cc HS11PAFIA 1978-1984 Chevrolet El CaminoFully 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.