BTR Platinum .660" Lift Dual Spring Kit (SK001) for LS engines using stock rocker arms.
Kit Includes:
- SP001-1 dual polished spring (Quantity 16)
- VL7°8MM-1 locks (Quantity 32)
- Titanium (SR001-1) or chromoly steel (SR001S-1) retainers (Quantity 16)
- Locators for stock or bronze guides (Quantity 16)
- VS LS valve seals (Quantity 16)
Spring Specs:
- 155 lbs @ 1.780"
- 380 lbs @ 1.180"
- 400 lbs @ 1.130"
- Coil bind @ 1.070"
The BTR platinum spring kit would be inducted into the LS aftermarket hall of fame if such a thing existed. Whether you’re putting together a daily driver with a mild cam, a 600 hp N/A stroker, or a turbocharged 1000 hp brawler, our platinum spring kit will make sure your valves are right where your cam wants them to be at all times.
This is a drop in spring kit for all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA, etc, this kit will also fit LS7 heads with approximately .045" of spring shim (part numbers SS015 and SS030).
This kit will not fit LS9 engines. See part # SK006 for LS9 heads.
