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Ultra Pro Magnum XD

Built to outlast and outperform in accuracy and strength, the Ultra Pro Magnum ™ XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ratios. A unique and wide ratio range to fit almost any popular application from 1.5 to 1.8 in .5" increments for Chevy and 1.6 to 1.73 for various Ford applications is available. These XD rockers are fully rebuildable and boast precision-sorted needle bearings and hardened roller tips. And, they work with most diameter springs and retainers. The XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI (moment of inertia) optimization for drag and circle track applications.

  • For Use With Up To 1000 lbs. of Open Spring Pressure

  • Engineered For Use In Circle Track & Drag Race Applications

  • Machined Billet Pushrod Seat Insert For Wide Range Of Rocker Ratios

  • 8650 Steel Construction Outlasts & Outperforms Other Rockers In Accuracy & Strength

  • Precision-Sorted Needle Bearings & Hardened Roller Tips Better Distribute Load & Reduce Wear

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  1. Ultra Pro Magnum™ XD Roller Rocker Arms
  2. Ultra Pro Magnum™ XD Roller Rocker Arms
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  10. Ultra Pro Magnum™ XD Roller Rocker Arms

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