Engineered for high-revving K and F-series engines, this Supertech dual valve spring kit delivers the precision and durability demanded by serious enthusiasts. Dual springs provide superior valve control across the RPM range, reducing float and maintaining consistent lift characteristics under extreme conditions. Built to OEM specifications with premium materials, this kit ensures reliable performance whether you're tracking your vehicle or pushing limits on the street. Direct bolt-on installation makes upgrading your valvetrain straightforward.
