BTR .660 Platinum Spring Kit for CVH Heads with LT4 Valves - BTR-SKCVH6604

BTR .660-inch Platinum dual spring kit for Gen III/IV LS applications using BTR CVH1 or CVH3 heads with LT4 titanium intake valves. This kit uses lash caps to help protect titanium valve tips. Verify spring compatibility and pushrod length for the complete valvetrain before installation.