Comp Cams Ultra Pro Magnum Shaft Mount Rocker Arms, 1.5 Ratio, Chrysler SB Truck Knucks AMC 290-401

AMC 290-401

Frame Design X-Frame with Gas Struts

Thickness: ¼”

Stainless steel-plated hardware for corrosion resistance

Ford Windsor 279T H-107 Thumpr Hyd

Comp Cams Ultra Pro Magnum Shaft Mount Rocker Arms, 1.5 Ratio, Chrysler SB Truck Knucks AMC 290-401Ultra Pro Magnum Shaft Mount Rocker Arms, 1. 5 Ratio, Chrysler SB ULTRA PRO MAGNUMT Roller Rocker Arms Made from SAE 8620 chromemoly steel and heat treated for maximum strength and stiffness\ Contain proprietary bushing inserts Designed to handle roller lobes and higher spring rates Unique oil system oils all critical parts for long lasting service Systems include a special adjuster which allows the use of conventional ball end pushrods APPLICATIONS: