BLOX Racing Competition Series camshafts are designed and manufactured using BLOX Racing’s own chill-cast camshaft cores. The Competition Series cores are cast with wider primary and secondary lobes in order to provide better valvetrin stability at higher RPMs. Competition Series camshafts are a favorite with auto cross and road racers.Competition Series Stage 2 camshafts are ideal for mild to highly modified engine builds. Competition Series Stage 2 camshafts have also been proven ideal for certain turbocharged engine builds.Upgraded valvetrain is required.Camshaft SpecificationsINTAKE: 275° / 12.4mm EXHAUST: 270° / 11.9mm