AV&V AV-VSK6000S Valve Spring Kit for Big Twin 84-04/Sportster/Buell 86-03 w/Beehive Springs & .600" Lift

* Steel

* Bee Hive valve spring kit

* Ultra pure chrome silicon+Nickle spring wire

* Extra processing for fatigue resistance

* Resist pressure loss & fatigue associated with extremely aggressive cams in high compression engines

* Reduce vibration & harmonics

* Includes springs,retainers & upper & lower collars

* 162lbs @ 1.860in., 340lbs @ 1.260in.

* coil bind 1.200in.

* Small end ID = .650in., OD= 1.085in.

* Large end ID = 1.000in., OD= 1.445in.

* CNC machined keepers

Fitment Notes:

* Rocker box clearance must be checked

* Spring travel must be checked

* Valve timing must be accurate

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