The Ultra Pro Magnum™ Roller Rocker Arms engineered for Chevy V6 200-262 and V8 265-400 cid (SBC) applications not only meet but exceed the high standards set by the original Pro Magnums™. These rocker arms, with a 7/16" stud diameter and 1.52 ratio, elevate stud mount rocker performance, stability, and value. Crafted from 8650 chromemoly material, their arched, web-like design enhances strength and rigidity, effectively reducing the moment of inertia and optimizing dynamic balance. The unique black oxide exterior finish prevents corrosion, enhancing overall 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
