Orbital Parts is not a corporate affiliate of Edelbrock Group.
Part # 1810-16
<b> The latest development in Rocker arm Technology from COMP Cams are Ultra Pro Magnumâ„¢ XD Rocker Arms built for 1/2" Studs to increase valve train stiffness and stability.</b> Designed to be used in conjunction with the COMP Cams Hi-Tech 1/2" Rocker Stud Kit, the latest versions of COMP Cams Ultra Pro Magnum XD are built to utilize 1/2" Studs to stabilize SBC valve trains. Ultra Pro Magnumâ„¢ XD Rockers are built to outlast and outperform in accuracy and strength, while maintaining all the benefits of the Ultra Pro Magnumâ„¢ version. The XD Rockers are engineered from durable 8650 Steel and include a machined billet Pushrod seat insert for a super-accurate ratio. The Rockers also boast precision-sorted needle bearings and hardened Roller tips. And since they now feature the added benefit of accepting 1/2" Studs, they are a great choice for anyone looking for more stiffness with Stud mount Rockers. These new Ultra Pro Magnumâ„¢ XD Rocker Arms will provide the ultimat e in valve train stability for maximum valve motion both at the track and on the street.
< ul>< li>1/2" Studs provide a stiffer valve train to achieve maximum valve motion in SBC engines</li>< li> Deliver increased strength and rigidity while reducing the moment of inertia and optimizing dynamic balance</li>< li> Ultra Pro Magnumâ„¢ XD Rockers feature a machined billet Pushrod seat insert for a super-accurate ratio</li></ul>
| Amazon ASIN | B00CWZV40G |
|---|---|
| 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 | Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) |
| Maximum Valve Spring Open Pressure | 1000 |
| Rocker Arm Material | 8650 Chromemoly Steel |
| Rocker Arm Ratio | 1.5 |
| Rocker Arm Series | Ultra Pro Magnum XD |
| Rocker Stud Diameter | 1/2 in |
| UPC / GTIN | 00036584259466 |
| Warranty | Ultra Pro Magnum XD Rocker Arm bodies are guaranteed for life. warranty |