The Ultra Pro Magnum™ Roller Rocker Arms designed for Chevy V6 200-262 and V8 265-400 cid (SBC) applications not only uphold the exceptional standards set by the original Pro Magnums™ but elevate stud mount rocker performance, stability, and value to unprecedented levels. These rocker arms, with a 7/16" stud diameter and 1.6 ratio, utilize 8650 chromemoly material and an arched, web-like design to enhance strength and rigidity while simultaneously reducing the moment of inertia and optimizing dynamic balance. The distinctive black oxide exterior finish safeguards against corrosion, ensuring increased durability.
Key Features:
- Investment cast 8650 chromemoly body with an arched, web-like design for heightened strength and reduced moment of inertia.
- Unique black oxide exterior finish prevents corrosion and increases durability.
- Optimized retainer and valve spring clearances, accommodating most diameter springs, retainers, and +.050" locks without clearance or fitment issues.
- Oversized trunions, precision-sorted needle bearings, and hardened roller tips for superior performance and dependability.
- Lifetime Warranty, ensuring rocker bodies against breakage for life, suitable for applications with up to 850 lbs of open spring pressure.
- Local Pickup Available:
- No
- Local Delivery Available:
- No
- Additional Handling:
- No
