COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - Shaft Mount - 1.50 Ratio - Small Block Mopar (Set of 16) 601807 42" to the lifter valley

42" to the lifter valley cover flange on engine block

2019-2019 Chevrolet Suburban 3500 HD

Premium quality heat-treated 8740 chrome moly steel head stud kits are available for most every domestic and import applications

438'' diameter flange

high strength steel

COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - Shaft Mount - 1.50 Ratio - Small Block Mopar (Set of 16) 601807 42" to the lifter valleyThe Shaft Mount Ultra Pro Magnum Roller Rocker Arms for Chrysler V8 273 360 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 shaft mount rocker arms feature a 1. 5 ratio. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the moment of inertia and