Drop-In Dual Spring Kit for LS including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA - This Dual Valve Spring Kit.
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 all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA.
Included dual polished springs, matching Chrome Molybdenum Steel Retainer, locators for stock guides, locks and seals.
Every product has quality inspection before leaving the factory.