COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Small Block Ford (Set of 16) 1634-16 AF1838 9-13/16 in Length

9-13/16 in Length

Reusable spacers replace the stock crush sleeve and eliminate pinion bearing failure

not a better measurement of your exact exhaust gas temperature available anywhere

Dual Range

When you run Wilson Manifolds products

COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Small Block Ford (Set of 16) 1634-16 AF1838 9-13/16 in LengthComp Cams Ultra Pro Magnum Chromoly Roller Rocker Arm 3 8 in Stud Mount 1. 60 Ratio Small Block Ford (Set of 16) The Ultra Pro Magnum Roller Rocker Arms for Small Block Ford Self Aligning 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 3 8" stud diameter and 1. 6 ratio. The 8650 chromemoly material