Cadillac 472 500 Shaft Mount Aluminum Roller Rocker Arm Set w/ Hardware Speedmaster Twin-Carb combine two four-barrel

Speedmaster Twin-Carb combine two four-barrel carburetors to achieve the best balance of drivability

Made from CNC machined billet steel for heady duty applications

This one-piece billet steel flexplate offers the strongest gear teeth

Manufactured with lightweight aluminum technology

Designed to last in street and racing applications

Cadillac 472 500 Shaft Mount Aluminum Roller Rocker Arm Set w/ Hardware Speedmaster Twin-Carb combine two four-barrelSpeedmaster extruded aluminum and stainless steel shaft mount rocker system includes steel shafts with pedestals. All rockers feature large needle bearings and roller tips. For extreme high performance applications. They not only unleash horsepower, but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips. These rockers are precision machined to ensure consistency and ratio accuracy and have a great looking anodized