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Ultra Pro Magnum™

The Ultra Pro Magnum™ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnum™ Rockers, but they also take stud mount rocker performance, stability and value to a whole new level. The modern arched, web-like design delivers increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance.

  • Investment Cast 8650 Chromemoly Body

  • Unique Black Oxide Exterior Finish Helps Prevent Corrosion

  • Arched, Weblike Body Reduces M.O.I. & Delivers Increased Strength & Rigidity

  • Oversized Trunnions, Precision-Sorted Needle Bearings & Hardened Roller Tips

  • Able To Withstand Valve Spring Pressures Up To 850 lbs.

  • Increased Retainer & Spring Clearances

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  1. Ultra Pro Magnum™ • Ford Small Block 289-302-351W • 3/8" Stud • 1.6 Ratio

    Ultra Pro Magnum™ • Ford Small Block 289-302-351W • 3/8" Stud • 1.6 Ratio

    Part Number: 1631-16
    $348.93

    COMP Cams® Rockers

    Learn More
  2. Ultra Pro Magnum™ • Ford Small Block 289-302-351W • 7/16" Stud • 1.6 Ratio

    Ultra Pro Magnum™ • Ford Small Block 289-302-351W • 7/16" Stud • 1.6 Ratio

    Part Number: 1632-16
    $348.93

    COMP Cams® Rockers

    Learn More
  3. Ultra Pro Magnum™ • Ford Small Block - Self Aligning • 3/8" Stud • 1.6 Ratio

    Ultra Pro Magnum™ • Ford Small Block - Self Aligning • 3/8" Stud • 1.6 Ratio

    Part Number: 1634-16
    $348.93

    COMP Cams® Rockers

    Learn More

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