Brian Tooley Racing LS7 Dual .660" Spring Kit with Titanium Retainers

 This very popular Spring Kit is highly recommended when upgrading to a aftermarket Camshaft

Includes light weight Titanium Retainers

Platinum dual spring kit for LS engines using stock rocker arms. Included dual polished springs, matching Titanium Retainers, locators for stock guides, .030" shims for LS7 heads, locks, and seals.

Spring specs: 155 lbs @ 1.780", 380 lbs @ 1.180", 400 lbs @ 1.130, coil bind @ 1.070"  

This is a drop in spring kit for factory LS7 heads using stock guides or aftermarket guides with the stock diameter.