COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Ford HSM61DE The grill was designed in

The grill was designed in the USA and has been granted USPTO design patents and has other patents pending in the US and countries abroad

Both upper and lower a-arms are jig built to maintain accuracy for a perfect fit every time and come preloaded with premium ball joints

Check out all our products from Swift Springs including Swift 2-1/2" ID x 18" Tall

10‚Å ∞ or 20‚Å ∞ of timing retard for quick starts

550-lb/in spring rate

COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Ford HSM61DE The grill was designed inThe Ultra Pro Magnum Roller Rocker Arms for Small Block Ford 289 302 and 351 Windsor 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. 6 ratio. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the moment of