BRIAN TOOLEY BTR LS. 660 Dual Valve Springs Kit + Ti Titanium Retainers SK001T

New Genuine BTR BRIAN TOOLEY RACING Platinum. 660 Lift LS Dual Valve Spring Kit with TITANIUM 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). 660 Lift Dual Valve Springs (16). BTR Titanium Retainers (16). […]