Blox Racing B-Series DOHC VTEC Camshafts - Tuner Series P1 Performance Valvetrain Required - BXCM-10125BLOX Racing is pleased to add two new profiles to its list of high performance B series camshafts. Like all BLOX camshafts, each is manufactured using brand new, chill cast cores. All camshafts are designed using the latest software and casting technologies, then CNC machined to exact specifications and tolerances. The resulting camshafts provide maximum results and reliability. Each camshaft profile is designed to optimize the engines horsepower and