Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability
Rocker arms have .75" long bushings instead of the .50" long bushings found on most other rocker arms
Feature a modified lubrication system with unrestricted roller oiling
Must be used with adjustable pushrods; sold separately
For ease of adjustment on 91-03 XL and Buell models, use pushrod tube covers DS-193829
Recommended that new rocker shafts be used when installing roller rocker arms; available separately
Made in the U.S.A.