Forged Piston Set +0.010 4-3/4 inch Stroker Big Twin (36-84) Harley

【S&S Cycle 106-5528 Forged Piston Set +0.010 4-3/4 inch Stroker Big Twin (36-84) Harley Engine Parts Proto】
■Product Description The 3-7/16 inch +0.010 inch bore standard compression stroker pistons are components of S&S's genuine bore stroker kit for 1936-84 HD Big Twins, designed for use with S&S stroker flywheels. The following stroke flywheels are available: 4-1/2 inch stroke 84CI with 8.4:1 compression ratio, 4-5/8 inch stroke 86CI with 9.4:1 compression ratio, and 4-3/4 inch stroke 88CI with 10.8:1 compression ratio. ■Compatible Models Harley Davidson Big Twin (36-84) ■Specifications Material: Forged alloy Accessories: Piston pin, piston rings ■Notes *Images are for illustration purposes only. Products of different sizes and colors are included. Product design and specifications are subject to change without notice. Please be aware.