.660" Lift Dual Spring Kit for LS engines using stock rocker arms. Includes dual polished springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks and 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.
|Complete List of Kit Componets|
|SP001-1||.660" Lift BTR Platinum Dual Valve Spring||16|
|SR006-16||BTR Titanium Retainers For ZR1/LS9 Heads, Set of 16||1|
|SL505060-16||BTR Spring Locators; .505" ID, .060" Thick, Set of 16||1|
|VS LS KIT||BTR LS Valve Seal Kit; Set of 8 Black Intake Seals and 8 Brown Exhaust Seals||1|
|VL7°8MM-32||LS VALVE LOCKS 7 DEGREE BEAD LOCK SET OF 32||1|