COMP Cams · New
COMP Cams Rockers FC 1.8 7/16in Ultra Pro
MPN 1838-8 · Store SKU cca1838-8
Supplier stock checked 11/7/2026, 4:07:57 PM UTC. Adding a part does not reserve it.
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Product details
The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precision-sorted needle bearings and hardened Roller tips to better distribute the load and reduce wear for a longer service life. In addition, they work with most diameter springs and retainers. The XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI optimization for endurance, drag and circle track Applications. Ultra Pro Magnum XD Rocker Set 8 1.8 R for Ford Boss 302, 351C, 429-460 7/16" FC, 7/16" Stud/1.8" Ratio, XD Rocker Arms - Set of 8
Manufacturer fitment & guides
Check 1838-8 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
