COMP Cams Ultra Pro Magnum XD rocker arm and hi-tech pushrod kits are the ultimate in helping your engine make more power and last longer. They are made from superior quality 8620 chromoly steel and will produce 15 to 30 more horsepower than aluminum or stamped steel rockers because of their stiff design. This guarantees maximum lift because the arms will not flex. So get the maximum horsepower you deserve out of your engine with COMP Cams Ultra Pro Magnum XD rocker arm and hi-tech pushrod kits.

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