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.
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Investment Cast 8650 Chromemoly Body
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Unique Black Oxide Exterior Finish Helps Prevent Corrosion
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Arched, Weblike Body Reduces M.O.I. & Delivers Increased Strength & Rigidity
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Oversized Trunnions, Precision-Sorted Needle Bearings & Hardened Roller Tips
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Able To Withstand Valve Spring Pressures Up To 850 lbs.
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Increased Retainer & Spring Clearances
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Ultra Pro Magnum™ • Ford Small Block 289-302-351W • 3/8" Stud • 1.6 Ratio
Part Number: 1631-16$348.93COMP Cams® Rockers
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Ultra Pro Magnum™ • Ford Small Block 289-302-351W • 7/16" Stud • 1.6 Ratio
Part Number: 1632-16$348.93COMP Cams® Rockers
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Ultra Pro Magnum™ • Ford Small Block - Self Aligning • 3/8" Stud • 1.6 Ratio
Part Number: 1634-16$348.93COMP Cams® Rockers
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