COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Big Block Ford / Cleveland / Modified (Set of 16) Interior Trim Racing technology for the street

Racing technology for the street E-Boost STREET is an electronic boost controller aimed at the street performance market

2011-2018 GMC Sierra 1500

intake valves and oxygen sensors

CabVehicle Applications: Silverado/Sierra 1500 Ext

Advance Or Retard Cam

COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Big Block Ford / Cleveland / Modified (Set of 16) Interior Trim Racing technology for the streetThe Ultra Pro Magnum Roller Rocker Arms for Ford V8 Boss 302, 351C, 429 460 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. 7 ratio. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the moment of inertia