Comp Cams Aluminum Rockers 7/16" Stud Mount For Ford 289-351W - 1.6 Ratio

These Aluminum Roller Rocker Arms from COMP Cams® are designed for Ford V8 289-351W applications. Engineered with a 7/16" stud diameter and 1.6 ratio, they are made from a high quality aluminum alloy with a tensile strength of 80,000 psi. Needle bearing trunions allow valve spring pressures of over 350 lbs. open pressure, making Aluminum Roller Rocker Arms a good choice for any race application.