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Vehicle Info NeededUltra Pro Magnum XD Rocker Arm Ford Boss 302, 351 Cleveland, 429-460
Ships on 10/22/2026
Lowest Price Guarantee- Ultra Pro Magnum XD Rocker Arm
- Ford Boss 302, 351 Cleveland, 429-460
- 1.8 Ratio
- 7/16" Stud
- 8650 Steel
- Unique Machined Billet Pushrod Seat
- FEA And CAD Development
- Engineered For Use In Endurance/Circle/Drag Race
- 1/pkg
- Outlasts And Outperforms Other Rockers
- Improved Strength And Stiffness
- Rebuildable Design
- Lifetime Warranty
Ford; 429; 460; BBF; Big Block Ford; 385; Cobra Jet; 429 Cobra Jet; Interceptor; Lima; F100; F150; F250; Super Duty; E150; E250
The next design evolution of Hi-Tech Stainless Steel Roller Rocker Arms is built to outlast and outperform in accuracy and strength. Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and have a machined billet pushrod seat insert for super accurate ratios. A unique and wide ratio range is available to fit almost any popular application from 1.5 to 1.73 in .5 increments for Chevy and 1.6 to 1.73 for Ford. These XD Rockers are 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 development to improve strength, stiffness, and MOI optimization for drag and circle track applications.
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Features:
- 8650 steel construction outlasts and outperforms other rockers in accuracy and strength
- Machined billet pushrod seat insert for a wide range of rocker ratios used in popular Chevy and Ford applications
- Precision-sorted needle bearings better distribute the load and reduce wear for longer service life
- Engineered for use in endurance, circle track, and drag race applications with improved strength and durability
