Perfect for street performance, our 8620 chromemoly steel Magnum roller tip rockers can handle up to 350 lbs of pressure. These 1452 rockers feature a 1.65 ratio for 7/16" stud Pontiac 265-455.
These Magnum Roller Rocker Arms for Pontiac V8 265-455 Applications are the ultimate street Rocker. With a 7/16" Stud diameter and 1.65 ratio, they are designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a superior material that will not flex and assures maximum lift. Their Roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other Rocker arms, Magnum Roller Rockers are perfect for performance Applications with less than 350 lbs. open spring pressure. Don't accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.
These Magnum Roller Rocker Arms for Pontiac V8 265-455 Applications are the ultimate street Rocker. With a 7/16" Stud diameter and 1.65 ratio, they are designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a superior material that will not flex and assures maximum lift. Their Roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other Rocker arms, Magnum Roller Rockers are perfect for performance Applications with less than 350 lbs. open spring pressure. Don't accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.
| Attributes | |
| Amazon ASIN | B000CEQDH8 |
| ASIN | B000CEQDH8 |
| C.A.R.B. E.O. Number | N/A |
| 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 - www.P65Warnings.ca.gov |
| Country of Origin (Primary) | US |
| Emission Code | Legal US |
| Engine Family | Pontiac 265-455, Pontiac 265-455 |
| Engine Make/Size | Pontiac 326-455 |
| Harmonized Tariff Code (Schedule B) | 8409914000 |
| Hazardous Material Code | N |
| Life Cycle Status Code | Available to Order |
| Maximum Valve Spring Open Pressure | 350, 350 |
| NAFTA Preference Criterion Code | B |
| Ratio | 1.65 |
| Rocker Arm Material | 8620 Chromemoly Steel, 8620 Chromemoly Steel |
| Rocker Arm Ratio | 1.65, 1.65 |
| Rocker Arm Series | Magnum, Magnum |
| Rocker Stud Diameter | 7/16, 7/16 |
| SDR Required Flag | Y |
| SDS Sheet Number | COMP4-107 |
| Stud Size | N/A |
| Warranty Time | 12 |
| GTIN | 00036584310914 |