COMP Cams 1620-1 Ultra Pro Magnum Rocker Arm w/ 1.7 Ratio for Chevrolet 396-454 w/ 7/16" Stud
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This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.7 ratio, this rocker fits Chevrolet 396-454 with a 7/16" diameter stud.
Ultra Pro MagnumΓ’βΒ’ 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.
Specifications
| Engine Family | Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) |
| Maximum Valve Spring Open Pressure | 850 |
| Rocker Arm Material | 8650 Chromemoly Steel |
| Rocker Arm Ratio | 1.7 |
| Rocker Arm Series | Ultra Pro Magnum |
| Rocker Stud Diameter | 7/16 IN |
β οΈ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.
Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.
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Free shipping is available for eligible orders.
Shipping: For USA - Up to 50lbs.
Orders are processed during normal business days. Delivery dates may vary by carrier and destination.
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