COMP Cams Ultra Pro Magnum Full Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Chromoly - Small Block Chevy - Set of 16 1618-16 H60-BLK 50 mm Long

50 mm Long

and tabs are 2-3/8" apart

Air Lift Company has been developing air spring suspension products for more than 50 years

1971-1986 DeTomaso Pantera

2004-2010 Chevrolet Silverado 2500 HD

COMP Cams Ultra Pro Magnum Full Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Chromoly - Small Block Chevy - Set of 16 1618-16 H60-BLK 50 mm LongThe Ultra Pro Magnum Roller Rocker Arms for 1988 and later Chevy V8 applications (with self aligning rockers) 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 and arched, web like design deliver increased strength and rigidity while still reducing the