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Ultra Pro Magnum Rocker Arm Set w/ 1.7 Ratio for Chevrolet 396-454 w/ 7/16" Stud
Ultra Pro Magnum Rocker Arm Set w/ 1.7 Ratio for Chevrolet 396-454 w/ 7/16" Stud
Ultra Pro Magnumââ??¢ Roller Rocker Arms 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. 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 trunnions 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.
- Chevy V8 396-454 c.i.d. - 7/16" Stud - 1.7 Ratio
- Investment cast 8650 chromemoly body and arched web-like design deliver increased strength and rigidity while still reducing the moment of inertia.
- Unique black oxide exterior finish helps prevent corrosion and increases durability.
- Optimized retainer and valve spring clearances allow for use of most diameter springs retainers and +.050" locks without clearance or fitment issues.
- Feature Oversized trunnions precision-sorted needle bearings and hardened Roller tips.
- Lifetime Warranty - So strong that we guarantee the Rocker bodies against breakage for life. For use with up to 850 lbs of open spring pressure.
Ultra Pro Magnum Rocker Arm Set w/ 1.7 Ratio for Chevrolet 396-454 w/ 7/16" Stud
Ultra Pro Magnumââ??¢ Roller Rocker Arms 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. 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 trunnions 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.
- Chevy V8 396-454 c.i.d. - 7/16" Stud - 1.7 Ratio
- Investment cast 8650 chromemoly body and arched web-like design deliver increased strength and rigidity while still reducing the moment of inertia.
- Unique black oxide exterior finish helps prevent corrosion and increases durability.
- Optimized retainer and valve spring clearances allow for use of most diameter springs retainers and +.050" locks without clearance or fitment issues.
- Feature Oversized trunnions precision-sorted needle bearings and hardened Roller tips.
- Lifetime Warranty - So strong that we guarantee the Rocker bodies against breakage for life. For use with up to 850 lbs of open spring pressure.