Description
These forged pistons are designed for use in S&S big bore Hot Set Up Kits for HD Evolution big twin engines, and S&S 3-5/8″ bore engines with S&S Super Stock cylinder heads and 4-1/4″, 4-1/2″ and 4-5/8″ stroke engines with stock diameter (8-1/2″) flywheels. 3-5/8″ bore, standard size.
Reviews
There are no reviews yet.