Valve Spring Kit. Fits Big Twin 1984-2004, Sportster & Buell 1986-2003. Steel Double Springs with .675in. Lift. Titanium Retainers! - AV&V Brake Upgrades - Front oil line routes up the

oil line routes up the right side frame rail

* Allows correct adjustment of the primary chain to the factory specifications of 5/8″ to 7/8″

* Progressively increases pressure as RPMs increase

* Dimensions: 8″ Long x 3″ Wide

1 x 10-24 x 1/2″ Socket Head Allen Bolts (Mounts Lockplate to Sprocket)

Valve Spring Kit. Fits Big Twin 1984-2004, Sportster & Buell 1986-2003. Steel Double Springs with .675in. Lift. Titanium Retainers! - AV&V Brake Upgrades - Front oil line routes up the* Extreme Duty Valve Spring Kit Titanium Retainers . 675 Lift * Specifically designed & processed with extra shot peening & nitrided to resist failure under the most extreme conditions. * For use with serious high performance cams 0. 640 . 675 lift * Includes springs,retainers & upper & lower collars * 185lbs @ 1. 860, 460lbs @ 1. 160 * Coil bind 1. 080 * Maximum lift = . 675 Tech Tips: * Rocker box clearance must be checked * Spring travel must be