BTR SK013 Gen V LT1/L86 Conical Valve Spring Kit

LT4 engines require spring kit part number SK014, Pushrod replacement is highly recommended. BTR SK013 Gen V LT1/L86 Conical Valve Spring Kit. We were first to market with a conical valve spring kit for Gen V LT engines. If your cam isn’t too radical, a dual spring kit isn’t required. These springs will vastly improve […]