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 1810 rocker features a 1.55 ratio for use with 1/2" stud Chevrolet V6 and 265-400 Small Block.
Ultra Pro Magnum XD Rocker with 1.5 Ratio for Chevrolet SBC with 1/2" Stud - Single
Ultra Pro Magnum XD Rocker with 1.5 Ratio for Chevrolet SBC with 1/2" Stud - Single
| Attributes | |
| Amazon ASIN | B00CWZUVM8, B00CWZUVM8 |
| ASIN | B00CWZUVM8 |
| 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 Small Block (262-400) |
| 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 | 1.5 |
| Rocker Arm Material | 8650 Chromemoly Steel, 8650 Chromemoly Steel, 8650 Chromemoly Steel |
| Rocker Arm Ratio | 1.5, 1.5, 1.5 |
| Rocker Arm Series | Ultra Pro Magnum XD, Ultra Pro Magnum XD, Ultra Pro Magnum XD |
| Rocker Stud Diameter | 1/2, 1/2, 1/2 |
| SDR Required Flag | N |
| SDS Sheet Number | N/A |
| Stud Size | 0.5 |
| GTIN | 00036584259459 |