The COMP Cams Ultra Gold ARC rocker arm kit includes extruded aluminum rockers engineered with FEA for improved strength-to-weight, valvetrain stability and oiling efficiency. These 19049 rockers, made in the USA, use a 1.72 ratio for 7/16" stud Ford 289, 302 and 351 Windsor engines, are rated to 700 lbs of open spring pressure and come with a Lifetime Warranty.
COMP Cams Rocker Arms Ultra Gold Arc FS