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COMP Cams Ultra Pro Magnum XD Rocker w/ 1.7 Ratio for Ford 289, 302, 351W w/ 3/8" Stud
Part # 1833-1
Description
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 bear ings 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.
Specifications
| Amazon ASIN | B0066T1WYW |
|---|---|
| C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for On-Road Vehicles? | No |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? | Yes, but must be a race/competition only vehicle. |
| Engine Family | Ford 289-351W |
| Maximum Valve Spring Open Pressure | 1000 |
| Rocker Arm Material | 8650 Chromemoly Steel |
| Rocker Arm Ratio | 1.7 |
| Rocker Arm Series | Ultra Pro Magnum XD |
| Rocker Stud Diameter | 3/8 in |
| UPC / GTIN | 00036584232803 |
| Warranty | Ultra Pro Magnum XD Rocker Arm bodies are guaranteed for life. warranty |