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) Inline Oil Filter High-strength all- steel construction provides

High-strength all- steel construction provides an unwavering foundation for mounting most brands of aftermarket winches

GM F-Body 1697-81

Blocks are 2-1/2"W x 5"L

1979-1997 Mercury Cougar

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) Inline Oil Filter High-strength all- steel construction providesThe 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