Engines and Components› Camshafts and Valvetrain
COMP Cams
COMP Cams Rocker Arms348/409 Chevy 1.7
SKU: C007 1629-12
Moderate — 2–4 hours
Description
Part #: 1629-12
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.
COMP Cams Ultra Pro Magnum Roller Rocker Arms, 1.7 Ratio, 3/8" Stud Diameter for 348, 409 Chevrolet, Set of 12
MIA's Description
Fitment
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Specifications
| Brand | COMP Cams |
| Part Number | C007 1629-12 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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