Speed Pro Speed Pro Piston Forged 4.087" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 0.0 cc HS11PAFIA The line of MSD 6-Series

The line of MSD 6-Series Ignitions are the most popular aftermarket ignitions in the world due to our race-proven performance on the track and our reliability on the street

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

1978-1984 Chevrolet El Camino

Simply install the Audio Filter inline on the power lead to your component and instantly hear the remarkable results

RM60 / RM45 / GMR45

Speed Pro Speed Pro Piston Forged 4.087" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 0.0 cc HS11PAFIA The line of MSD 6-SeriesFully 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.