Roller Rocker Arm Kit. Fits Big Twin 1984-2017 & Sportster 1986-2021.

Features & Benefits:-

* Forged Roller Rockers.

* Engine builder MUST check rocker arm to rocker cover clearance.

* Clearancing may be required.

* S&S roller rockers are forged from 8620 steel & heat-treated.

* Our rockers also utilize 3/4" long bronze bushings, compared to the more common 1/2" long bushings or needle bearings.

* Replaces OEM # 17378-98

Proudly Made in the USA by S&S Cycle !