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Wilwood's engineering department uses the latest computer-aided design and manufacturing techniques in conjunction with finite element analysis
Dart blocks are loaded with features you won't find in any factory casting
50 Female to 8 AN Male
10 / 13 Degree Heads
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COMP Cams Ultra Pro Magnum Full Roller Rocker Arm - 7/16 in Stud Mount - 1.52 Ratio - Chromoly - Small Block Chevy - Set of 16 FLEX-BOOM-AV Wilwood's engineering department uses theThe Ultra Pro Magnum Roller Rocker Arms for Chevy V8 265 400 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. 52 ratio. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing
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