Note: Maximum Recommended Lift = .650in.
* Steel Double Spring Kit
* Ultra pure chrome silicon+Nickle spring wire
* Extra processing for fatigue resistance
* 1.375in. for better clearance inside rocker cvr
* Springs feature chamfered tops to match smaller retainers
* Includes springs,retainers & upper & lower collars
* 185lbs @ 1.860, 460lbs @ 1.160in.
* Coil bind 1.080in.
* Maximum lift = .650in.
* 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.