CB, 7/16" Stud/1.8" Ratio, XD Rocker Arms - Set of 12
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.
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.
Application Summary:
| Year | Make/Model |
|---|---|
| 1963 | Chevrolet Bel Air |
| 1965-1975 | Chevrolet Bel Air |
| 1963 | Chevrolet Biscayne |
| 1965-1972 | Chevrolet Biscayne |
| 1972 | Chevrolet Brookwood |
| 1967-1972 | Chevrolet Camaro |
| 1966-1976 | Chevrolet Caprice |
| 1965-1973 | Chevrolet Chevelle |
| 1968 | Chevrolet Chevy II |
| 1965-1974 | Chevrolet Corvette |
| 1963 | Chevrolet Impala |
| 1965-1976 | Chevrolet Impala |
| 1970-1972 | Chevrolet Kingswood |
| 1973-1975 | Chevrolet Laguna |
| 1966-1967 | Chevrolet Malibu |
| 1973-1975 | Chevrolet Malibu |
| 1970-1975 | Chevrolet Monte Carlo |
| 1969-1970 | Chevrolet Nova |
| 1970 | Chevrolet Townsman |
| Attributes | |
| ASIN | B0094F6HKE |
| Country of Origin (Primary) | US |
| Emission Code | Legal US |
| Engine Make/Size | Chevy Big Block (396-454) |
| Harmonized Tariff Code (Schedule B) | 8409914000 |
| Hazardous Material Code | N |
| Life Cycle Status Code | Available to Order |
| NAFTA Preference Criterion Code | B |
| Ratio | 1.8 |
| SDR Required Flag | N |
| SDS Sheet Number | N/A |
| Stud Size | 7/16 |
| Warranty Time | 12 |
| GTIN | 00036584232650 |