Valve Spring Kit. Fits Twin Cam 2005-2017, Sportster 2004up. Beehive Springs with .650in. Lift.
$213.00 RRP (inc GST)
Note: Maximum Recommended Lift = .650in.
* Beehive steel valve spring kit
* Use with AV-V7MMB guide seals
* Fits both Single & Triple groove valves
* 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
* 175lbs @ 1.860, 370l bs @ 1.250in.
* Coil bind 1.150in.
* Small end ID = .740in., OD= 1.185in.
* Large end ID = 1.055in., OD = 1.500in.
* CNC machined keepers
* 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.
MFR PART No: AV-VSK65007SG
ROLLIES PART No: AV-VSK65007SG