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    Competition Cams Magnum Roller Rocker Arms, 1.6 ratio, 3/8" Stud Diameter for Small Block Ford (Rail Type)

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    • Product Details

      Part No. 1431-16

      Warranty Details (90 DAY REPLACEMENT IF DEFECTIVE)

      These Magnum Roller Rocker Arms for Ford V8 289-351W (Rail Type) 1968-89 applications are the ultimate street rocker. With a 3/8" stud diameter and 1.6 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly steel, which is a superior material that will not flex and assures maximum lift. Their roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other rocker arms, Magnum Roller Rockers are perfect for performance applications with less than 350 lbs. open spring pressure. Don't accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.

      Product Features:

      • Ultimate street rocker designed for serious performance enthusiasts
      • Constructed from 8620 chromemoly steel, a superior material that will not flex and assures maximum lift
      • Roller tip reduces friction while stiff design and superior ratio accuracy yields more effective valve lift
      • 15 to 30 horsepower increase over stock rocker arms
      • Use in any applications with less than 350 lbs. open spring pressure

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