Brian Tooley Racing lift platinum valve spring kit for the 2009-2013 C6 ZR1 Corvette Includes dual polished springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks and seals. BTR's springs are rated at .660" Lift and we recommend this kit when using stock rocker arms. This kit does not require any modification and they are a direct replacement.
The BTR LSx .660" Lift Platinum Valve Spring Kit includes the following items.
Platinum Valve Spring Kit
- Dual polished springs
- Titanium retainers
- Locators for stock or bronze guides
- Locks and seals
- Includes Free Shipping to the Lower 48!
Valve Spring Specs
- .660" Lift
- 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.