BTR LS9 .685" Lift Valve Spring Kit

BTR LS9 .685" LIFT VALVE SPRING KIT - SK702/0560/LS9
When you decide to take a walk on the wild side and exceed the .660” limit of our popular Platinum Spring Kit, the next step is our .685” Spring Kit. A higher spring rate and titanium retainers will ensure valvetrain stability with radical camshafts.
FOR LS9 ENGINES ONLY!
The kit includes the following:
• SP010-16
• SR006-16
• SL505060-16 (stock or powder metal guide)
• VS LS KIT
• VL7°8MM-32
Spring specs are as follows:
•170 lbs @ 1.800"
•380 lbs @ 1.180"
•450 lbs @ 1.115
•Coil bind @ 1.000"