Chevy SBC 350 Hydraulic Roller Camshaft 242 Int. 248 Exh. Duration designed to be used with

designed to be used with aftermarket intakes only

slotted brake rotors

consistent timing

For those with applications that require the fast and consistent action of and air shift this is exactly the shifter for you

Chevy SBC 350 Hydraulic Roller Camshaft 242 Int. 248 Exh. Duration designed to be used withSpeedmaster camshafts are built to take advantage of the latest cam technology, to provide maximum performance. Whether your use is off roading, towing, or street performance, there is a Speedmaster cam available for you. By using an aggressive lobe profile, these cams provide better throttle response and more top end horsepower than equivalent cams from other manufacturers, while delivering increased engine vacuum.