This set of 8 1.60 ratio 3/8' stud Ultra Pro Magnum XD Rockers for Ford 289, 302 and 351W applications are the next generation of the High TechStainless rockers. The Ultra Pro Magnum XD rockers are made from 8650 steel and include a machined billet pushrod seat insert for a wide range of dead onaccurate rocker ratios. A wide ratio range to fit almost any popular application from 1.5 to 1.73 in .5 increments for Chevy and 1.6 to 1.73 for various Fordapplications is available. These XD rockers are fully rebuildable and feature precision-sorted needle bearings and hardened roller tips. And, they work withmost diameter springs and retainers. The new XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOIoptimization for drag and circle track applications.
Features Include:
- Screw-In Studs and Guide Plates are required
- 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.
Features:
- Machined billet pushrod seat insert for wide range of rocker ratios used in popular Chevy® and Ford® applications
- 8650 Steel conctruction outlasts and outperforms other rockers in accuracy and strength
- For applications with up to 1000 lbs. open spring pressure
- Precision-sorted needle bearings and hardened roller tips better distribute the load and reduce wear
- Engineered for use in circle track and drag race applications
- Sold as a set of 8
