BTR SK001 valve spring kit Chevrolet LS

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. They are designed to be used with stock rocker arms. This is a drop-in kit for 15° LS heads. This kit will not fit LS9 engines. The kit includes dual polished springs, locks, Titanium Retainers, Locators, Valve Seals Spring specs are as follows: •155 lbs @ 1.780″ •380 lbs @ 1.180″ •400 lbs @ 1.130 •Coil bind @ 1.070″