BTR Chevrolet SBC LT. 650 Valve Springs For Roller Rockers Titanium Retainers

BTR MAX PRESSURE GEN 2 LT/SBC DUAL SPRING KIT. 650 LIFT – FOR ROLLER ROCKERS – SK004. BTR’s Max Pressure Spring Kit applies what we learned when designing the Platinum Spring Kit (SK001) and applies it to applications utilizing roller rockers. Due to the additional weight of roller rockers, a higher spring rate is needed […]