Forged Piston Set +0.070 4-3/4" Stroker Big Twin (36-84) Harley

[S&S Cycle 106-5780 Forged Piston Set +0.070 4-3/4 inch Stroker Big Twin (36-84) Harley Engine Parts Proto]
■Product Description 3-7/16" +0.070" bore standard compression stroker pistons are a component of S&S's genuine bore stroker kit for 1936-84 HD Big Twins, and are designed for use with S&S stroker flywheels. The following stroke flywheels are available: 4-1/2" stroke 84CI with 8.4:1 compression ratio, 4-5/8" stroke 86CI with 9.4:1 compression ratio, and 4-3/4" 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 *Image is for illustration purposes only. Includes products with different sizes and colors. Product designs and specifications may change without prior notice. Thank you for your understanding.