Size:3/8" Stud | Style:1.6 Ratio
The Ultra Pro Magnum Roller Rocker Arms for Ford V8 289-302-351W applications not only live up to the lofty standards of the original Pro Magnums, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 3/8" stud diameter and 1.6 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.
- Make sure this fits
by entering your model number.
- World's top manufacturer of performance products
- Feature oversized trunions, precision sorted needle bearings and hardened roller tips
- Unique black oxide exterior finish helps prevent corrosion, thus increasing durability
- Investment cast 8650 chromemoly body and arched, web-like design deliver increased strength and rigidity while reducing moment of inertia