BTR GEN V LT4 .660" LIFT DUAL PLATINUM SPRING KIT - SK008

.660" Lift Dual Spring Kit for Gen V LT4 engines using stock rocker arms. Includes dual polished springs, matching LT4 specific titanium retainers, LT4 specific locators for stock guides, locks and seals. Spring specs are 155 lbs @ 1.780", 380 lbs @ 1.180", 400 lbs @ 1.130, coild bind @ 1.070" NOTE: This is a drop in spring kit for Gen V LT4 engines ONLY, WILL NOT FIT OTHER GEN V ENGINES, SEE P/N SK007.Complete List of Kit Components:  (16) SP001-1 .660" Lift BTR Platinum Dual Valve Spring (8) SR006-1 Single LS9 Titanium Retainer (8) SR008-1 Titanium Retianers for Gen V LT1 Heads (8) SL520045-1 BTR Spring Locator; .520" ID, .045" Thick (8) SL520060-1 BTR Spring Locator; .520" ID, .060" Thick (1) BTR LS Valve Seal Kit (1) VL7°8MM-32 LS Valve Locks 7 Degree Bead Lock Set of 32 (8) SS015-1 BTR .015" Shim for Stock Guides   Part Number SK008 Part Type Valve Spring Kit Brand Brian Tooley Racing Engine Type Gen V LT4 Max Lift .660 Style Dual   *Item ships directly from B