This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.7 ratio, this rocker fits Chevrolet 396-454 with a 1/2" diameter stud.
Ultra Pro Magnum Rocker Arm with 1.7 Ratio for Chevrolet 396-454 with 1/2" Stud - Single
