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The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 348-409 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 1.7 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.
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Catalog
This Part Fits:
COMP Cams Rocker Arms348/409 Chevy 1.7
SKU: CCA1629-12
$359.95 USD
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Special Order Item Delivery times depend on manufacturer fulfillment and carrier performance. Expedited shipping reflects how the order is placed with the manufacturer and does not guarantee delivery dates. However, due to FI Performance’s industry relationships, we may be able to assist with expedited processing when possible. If timing is critical, please call us before ordering at (203) 644-0712.
Warranty
Catalog
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1958 | Chevrolet | Del Ray | Base |
| 1960-1961 | Chevrolet | K10 Pickup | Base |
| 1959-1961 | Chevrolet | Kingswood | Base |
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