Chevy SBC 350 Hydraulic Roller Camshaft 248 Int. 254 Exh. Duration and excessive emissions

and excessive emissions

They are designed to work with factory

Speedmaster axle stubs are machined from solid billet 4340 material

Dual distributor hold downs and Four corner water ports

Chevy SBC 350 Hydraulic Roller Camshaft 248 Int. 254 Exh. Duration and excessive emissionsSpeedmaster 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.