COMP Cams 17045-16 - High Energy Alum Rocker, BBF 1 .73 7/16

COMP Cams High Energy Die Cast Aluminum Roller Rocker Arms, 1.73 Ratio, 7/16" Stud Diameter for 351C and Big Block Ford The COMP Cams High Energy Die-Cast Aluminum Roller Rocker Arms are new rocker arms from the valve train leader that have been designed for street and moderate race use. They feature a die-cast body created from aluminum with a needle bearing fulcrum and roller tip. For Big Block Ford 429-460 applications with 7/16" studs, 1.73 Ratio; Cost effective aluminum construction provides superior strength to weight ratio; Needle bearing fulcrum and roller tip reduce friction and lower oil temperatures for improved response and horsepower; Durable design increases valve lift while withstanding the rigors of moderate race use; Die-formed aluminum body is larger than stock, and may require modifications to stock valve covers for clearance.