.660" Lift Dual Spring Kit for LS engines using stock rocker arms.
Includes dual polished springs, locks and your choice of:
- Titanium Retainers
- Locators for Stock or Bronze Guides
- Valve Seals
Spring specs are 155 lbs @ 1.780", 380 lbs @ 1.180", 400 lbs @ 1.130, coil bind @ 1.070"
This is a drop in spring kit for LS9 engines, will not fit other LS engines.
||Valve Spring Kit
||Brian Tooley Racing
*Item ships directly from Brian Tooley Racing.