Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability
Made in the USA
Must be used with adjustable pushrods (sold seperately).
Features a modified lubrication system with unrestricted roller oiling
Set includes two each front and rear rocker arms
Recommended that new rocker shafts be used when installing roller rocker arms (sold seperately).
3/4" long bushings instead of 1/2" long bushings found on most other rocker arms