Forged from resilient 8650 steel, the Comp Cams Ultra Pro Magnum™ XD Rocker Arms stand as a testament to superior engineering, surpassing the endurance and performance of subpar knock-offs and imported rocker alternatives. Notably, a distinctive machined billet pushrod seat insert is integral to their exceptional durability. These innovative stud mount rockers, designed for complete rebuildability, incorporate precision-sorted needle bearings and hardened roller tips. This cutting-edge construction ensures optimal load distribution and diminished wear, contributing to an extended service life compatible with a variety of spring diameters and retainers.
The XD design integrates advanced FEA and CAD techniques, enhancing strength, stiffness, and MOI optimization tailored for endurance, drag, and circle track applications. These rocker arms are so robust that they are backed by a lifetime guarantee against breakage, underscoring their exceptional reliability. To safeguard quality, only opt for authentic “COMP” logo rocker arms.
Part #1808-8* represents a set of eight rockers tailored for Chevy Small Block V8 engines within the 265-400 cubic inch range. Featuring a 7/16" stud and a 1.55 ratio, these rockers are engineered to withstand up to 1000 lbs of open spring pressure. The billet pushrod seat insert, precision-sorted needle bearings, and advanced FEA/CAD development collectively contribute to unmatched accuracy, strength, and longevity.
Key Features:
- Billet pushrod seat insert for exceptional durability
- 8650 steel construction surpasses competitors in accuracy and strength
- Precision-sorted needle bearings for optimized load distribution and extended service life
- Advanced FEA and CAD development enhances strength and stiffness
- Engineered for endurance, circle track, and drag race applications with improved strength and durability
- Lifetime Warranty: Our commitment is so unwavering that we guarantee the rocker bodies against breakage for life!
- *Optimal performance requires the use of screw-in studs and guide plates.
- Local Pickup Available:
- No
- Local Delivery Available:
- No
- Additional Handling:
- No
