New Genuine BTR BRIAN TOOLEY RACING Platinum .660" Lift LS Dual Valve Spring Kit with Steel Retainers 

Fits Gen3 and Gen4 LS Engines: 
LS1 LS2 LS3 LS4 LS6 LQ4 LQ9 4.8 5.3 6.0 6.2  
(Does not fit LS7 or LS9, message us for those kits) 

Kit includes: 
BTR Platinum .660 Lift Dual Valve Springs (16) 
BTR Steel Retainers (16) 
BTR Spring Locators for stock guides (16) 
BTR Valve Stem Seal Set (16) 
BTR Locks (33) 

Picture is of actual product. Please confirm this is what you want and fits your vehicle prior to ordering! Returns apply to new and unopened items only. 

IN STOCK and ready to ship out!
Ships SAME DAY if ordered before cutoff!