Valve Spring Kit. Fits Big Twin 1984-2004, Sportster & Buell 1986-2003. Steel Double Springs with .600in. Lift. - AV&V

Note: Maximum Recommended Lift = .600"

* Steel Double Spring Kit

* Ultra pure chrome silicon+Nickle spring wire

* Extra processing for fatigue resistance

* 1.375" for better clearance inside rocker cvr

* Springs feature chamfered tops to match smaller retainers

* Includes springs,retainers & upper & lower collars

* 155lbs@1.875, 175lbs@1.815"

* coil bind 1.080"

Tech Tips:-

* Rocker box clearance must be checked

* Spring travel must be checked

* Valve timing must be accurate

** Over revving will lead to pre-mature failure of Valve Springs & collars.

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