Brian Tooley Racing BTR LS Dual Valve Springs Platinum Kit with Retainers .630"" Lift
Special Features
- Brian Tooley Racing BTR Dual Spring Kit .630"
- SK003 Spring Kit is highly recommended when upgrading your camshaft
- .630" Lift dual spring kit for LS engines using stock rocker arms
- Drop in spring kit for all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA
- Dual polished springs, matching retainers, locators for stock guides, locks and seals
- Spring specs are as follows: 155 lbs @ 1.780" 380 lbs @ 1.180" 400 lbs @ 1.130" Coil bind @ 1.100"
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