COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Ford (Set of 16) Transmission Mount or more simply put

or more simply put

Improved Injector Flow Rate & Nozzle Sizes AEM's engineers spent extensive time revamping the controller's flow control strategy for a more linear flow output delivery

Oil Pressure Regulator

IP54 Weather Resistant

COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Ford (Set of 16) Transmission Mount or more simply putThe Ultra Pro Magnum Roller Rocker Arms for Ford V8 289 302 351W applications not only live up to the lofty standards of the original Pro Magnums, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7 16" stud diameter and 1. 6 ratio. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the moment of inertia and