BTR .685″ MAX LIFT ULTIMATE RPM SPRING KIT WITH TITANIUM RETAINERS - SK702

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. This kit does NOT fit LS9 engines.

The kit includes the following:

• SP010-16

• SR001-16

• SLS135-16 (bronze guide) or SLS136-16 (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"