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Home > Rocker Arms > Steel Rocker Arms > Ultra Pro Magnum™ XD
Ford V8 289-302-351 Windsor, 3/8" Stud/1.7" Ratio, XD Rocker Arms(16)
Ford V8 289-302-351 Windsor, 3/8
Product Representation: Actual part may vary based on configuration ordered.
Part: 1833-16
Price: $446.00
Weight: 9.12 lbs FREE SHIPPING OVER $50!
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The Ultra Pro Magnum™ XD Rocker Arms are engineered from durable 8650 steel that outlasts and outperforms other inferior knock-off and import rockers. A unique machined billet pushrod seat insert offers exceptional durability. These new stud mount rockers are fully rebuildable and use precision-sorted needle bearings and hardened roller tips to better distribute the load and reduce wear for a longer service life. In addition, 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 optimization for endurance, drag and circle track applications. These rocker arms are so durable that they come with a lifetime guarantee against breakage. Only accept authentic “COMP” logo rocker arms to ensure quality and reliability. 

Part #1833-16* - (16) Rockers for Ford V8 289-302-351W - 3/8" Stud - 1.7 Ratio

  • Suitable for use with up to 1000 lbs of open spring pressure!
  • Billet pushrod seat insert offers exceptional durability
  • 8650 steel construction outlasts & outperforms other rockers in accuracy and strength
  • Precision-sorted needle bearings better distribute the load and reduce wear for a longer service life
  • Advanced FEA & CAD development improve strength & stiffness
  • Engineered for use in endurance, circle track and drag race applications with improved strength and durability
  • Lifetime Warranty - So strong that we guarantee the rocker bodies against breakage for life!

*Must use screw in studs and guide plates