Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1817 rocker features a 1.7 ratio for use with 7/16" stud Chevrolet 265-400 Small Block.
| Attributes | |
| Amazon ASIN | B007Y5YRQW, B007Y5YRQW |
| ASIN | B007Y5YRQW |
| C.A.R.B. E.O. Number | N/A, N/A |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? | Yes, but must meet tailpipe emission standards for year of vehicle., Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for On-Road Vehicles? | No, No |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? | Yes, but must be a race/competition only vehicle., Yes, but must be a race/competition only vehicle. |
| C.A.R.B. Exemption Reason | N/A, N/A |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Country of Origin (Primary) | US |
| Emission Code | Legal US |
| Engine Family | Chevrolet 262-400 c.i. 8 Cylinder (1958-1998), Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) |
| 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 |
| Maximum Valve Spring Open Pressure | 1000, 1000 |
| NAFTA Preference Criterion Code | B |
| Position | N/A |
| Ratio | 1.7 |
| Rocker Arm Material | 8650 Chromemoly Steel, 8650 Chromemoly Steel, 8650 Chromemoly Steel |
| Rocker Arm Ratio | 1.7, 1.7, 1.7 |
| Rocker Arm Series | Ultra Pro Magnum XD, Ultra Pro Magnum XD, Ultra Pro Magnum XD |
| Rocker Stud Diameter | 7/16, 7/16, 7/16 |
| SDR Required Flag | N |
| SDS Sheet Number | N/A |
| Stud Size | 7/16 |
| GTIN | 00036584232391 |