Competition Cams 1411-16 Magnum Roller 1.72 ratio, 7/16" Stud Diameter Rocker Arm for Big Block Chevy, Boss 302, 351 Cleveland and 429, 460 Ford
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<b>[Product Information]</b><br>
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<li>Ultimate street rocker designed for serious performance enthusiasts</li>
<li>Constructed from 8620 chromemoly steel, a superior material that will not flex and assures maximum lift</li>
<li>Roller tip reduces friction while stiff design and superior ratio accuracy yields more effective valve lift</li>
<li>15 to 30 horsepower increase over stock rocker arms</li>
<li>Use in any applications with less than 350 lbs. open spring pressure</li>
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