Exterior Components› Body Panels and Components
COMP Cams
COMP Cams Rocker Arm FS/FW 1.6 3/8 Ultra P
SKU: C007 1634-1
Advanced — 4+ hours
Description
Part #: 1634-1
Ultra Pro Magnuma 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.
- Ford V8 Engines with Self Aligning Rockers - 3/8" Stud - 1.6 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.
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 1.6 ratio, this self-aligning rocker fits Ford V8's with a 3/8" diameter stud.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
MIA's Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | COMP Cams |
| Part Number | C007 1634-1 |
Videos
COMP Cams Ultra Pro Magnum Rocker Arms
COMP Cams Ultra Pro Magnum Rocker Arms
COMP Ultra Pro Magnum on a LT1
COMP Cams® Quick Tech: Which Rocker Is Right For Me?
Speed Secrets: COMP Cams LS Rocker Arms explained!
COMP Cams® Roller Rocker Arms on V8TV
comp cam roller tip rocker arms vs no name brand rocker arms lt1 engine who makes them
COMP Cams® Quick Tech: Achieving Proper Rocker Arm Geometry
The Latest LS Rocker Arm Upgrades From COMP Cams®
Assault Racing vs ProComp Rocker Arms
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.
View Full Return Policy