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 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.
Product Overview
Built to outlast and outperform in accuracy and strength, the Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ratios. A unique and wide ratio range to fit almost any popular application from 1.5 to 1.8 in .5" increments for Chevy and 1.6 to 1.73 for various Ford applications is available. These XD rockers are fully rebuildable and boast precision-sorted needle bearings and hardened roller tips. And, 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 (moment of inertia) optimization for drag and circle track applications.
* Machined billet pushrod seat insert for wide range of rocker ratios used in popular Chevy and Ford applications
* 8650 Steel construction outlasts and outperforms other rockers in accuracy and strength
* For applications with up to 1000 lbs. open spring pressure
* Precision-sorted needle bearings and hardened roller tips better distribute the load and reduce wear
* Engineered for use in circle track and drag race applications
Product Details
| Amazon ASIN: | B005JUX4AY |
|---|---|
| C.A.R.B. E.O. Number: | N/A |
| 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. |
| C.A.R.B. Exemption Reason: | N/A |
| California Proposition 65: | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Description: | Ultra Pro Magnum XD Rocker w/ 1.7 Ratio for Chevrolet Big Block w/ 7/16" Stud |
| Engine Family: | Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) |
| Maximum Valve Spring Open Pressure: | 1000 |
| Part Number: | cca1820-1 |
| Ratio: | 1.7 |
| Rocker Arm Material: | 8650 Chromemoly Steel |
| Rocker Arm Ratio: | 1.7 |
| Rocker Arm Series: | Ultra Pro Magnum XD |
| Rocker Stud Diameter: | 7/16 |
| Stud Diameter: | 7/16" |
| Title: | Ultra Pro Magnum XD Rocker w/ 1.7 Ratio for Chevrolet Big Block w/ 7/16" Stud |
Part Type
Engine Rocker Arm
Specifications
- Product Attributes - Brand
- COMP Cams
- Product Attributes - Manufacturer's Part Number
- 1820-1
- Product Attributes - Part Type
- Rocker Arms
- Product Attributes - Product Line
- COMP Cams Ultra Pro Magnum XD Roller Rocker Arms
- Product Attributes - UPC
- 036584232483
- Product Attributes - Rocker Arm Mounting Style
- Stud
- Product Attributes - Self-Aligning
- No
- Product Attributes - Rocker Arm Ratio
- 1.7
- Product Attributes - Stud Size
- 7/16 in.
- Product Attributes - Maximum Spring Diameter (in.)
- 1.645 in.
- Product Attributes - Rocker Arm Style
- Full roller
- Product Attributes - Shims Included
- No
- Product Attributes - Rocker Arm Material
- Chromoly
- Product Attributes - Rocker Arm Body Style
- Standard
- Product Attributes - Rocker Arm Fasteners Included
- Yes
- Product Attributes - Rocker Arm Nut Style
- Polylock
- Product Attributes - Slot Width (in.)
- 0.562 in.
- Product Attributes - Rocker Arm Finish
- Black oxide
- Product Attributes - Quantity
- Sold individually.
Reference Information
| Brand Name/s | Comp Cams |
|---|---|
| StreetFX SKU | cca1820-1 |
| SFX Item ID | 4119205 |
| Supplier Item Code | 4119205 |
| Manufacturer SKU | 1820-1 |
| Manufacturer UPC | 36584232483 |
| Alternative References | c10, s10, COM1820-1, 7/16in |
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Compatibility
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