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 Type-B camshafts are ideal for mild to highly modified engine builds. Competition Series Type-B camshafts have also been proven ideal for certain turbocharged engine builds.Upgraded valvetrain is required.Camshaft SpecificationsINTAKE: 266° / 0.489” EXHAUST: 266° / 0.472”