31/2" Bore Forged Stroker Piston Kits For Stock Heads Or S&S Performance Replacement Heads - +.030" Touring and Roadking (1985-1994) Our parts are nothing but

Our parts are nothing but the highest quality

Tapered filter body designed to accept the clear polycarbonate top

and improve performance at the same time

our triple trees have the best look and at 1 1/2" thick give you the strength needed to provide lasting performance

Best Performing 6 piston caliper made for Harley Davidson touring/Dyna

31/2" Bore Forged Stroker Piston Kits For Stock Heads Or S&S Performance Replacement Heads - +.030" Touring and Roadking (1985-1994) Our parts are nothing butThese forged 3 1 2" bore stroker pistons for 1984 '99 HD Evolution big twin engines are required for the S&S 89" stock bore stroker kits, which include S&S 4 5 8" stroke flywheels. Pistons are designed to be used with stock cylinder heads or with S&S Performance Replacement heads. Low silicon forged material and advanced S&S piston skirt design result in high strengh and low noise. 3 1 2" +. 020" bore.