S&s Cycle Rebuild Kit - 90-4104 For Harley Motorcycles 1982-2019 | Buell Motorcycles 1996-2009 Brand_Rough Crafts Increases horsepower and torque across

Increases horsepower and torque across the rpm range using air column inertia and carefully timed gas dynamic pressure waves

Includes dowel pins

Sold as Mono Shock (1 shock only)

Feature billet end caps and rings with ergonomic AVON seamless rubber grip technology

S&s Cycle Rebuild Kit - 90-4104 For Harley Motorcycles 1982-2019 | Buell Motorcycles 1996-2009 Brand_Rough Crafts Increases horsepower and torque acrossFeatures 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