1 Comp Cams Ultra Pro Magnum XD 1.65 3/8 SBC Chevy V8 Roller Rocker Arm #1803-1

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  • $ 29.99

Brand new single (1) COMP Cams Ultra Pro Magnum XD Roller Rocker Arm. Fits 262-400ci Small Block Chevrolet V8 Engines, 1.65 Ratio, 3/8" Stud. Part #1803-1. 

(Note: Picture shows #1806-1, but the listing is for an #1803-1)

Manufacturer's Description:

The next design evolution of the Hi-Tech™ Stainless Steel Roller Rocker Arms are 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 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 new XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI optimization for drag and circle track applications.

  • Machined billet pushrod seat insert for wide range of rocker ratios used in popular Chevy and Ford applications
  • 8650 steel construction outlasts and outperforms other rockers in accuracy and strength
  • Precision-sorted needle bearings better distribute the load and reduce wear for a longer service life
  • Engineered for use in endurance, circle track and drag race applications with improved strength and durability



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