Perfect for street performance, our 8620 chromemoly steel Magnum roller tip rockers can handle up to 350 lbs of pressure. This 1451 rocker features a 1.52 ratio for 7/16" stud Pontiac 265-455.
This Magnum Roller Rocker Arm for Pontiac V8 265-455 Applications is the ultimate street Rocker. With a 7/16" Stud diameter and 1.52 ratio, it is 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.
This Magnum Roller Rocker Arm for Pontiac V8 265-455 Applications is the ultimate street Rocker. With a 7/16" Stud diameter and 1.52 ratio, it is 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.
Application Summary:
| Year | Make/Model |
|---|---|
| 1972 | Buick Centurion |
| 1979-1981 | Buick Century |
| 1974 | Buick Electra |
| 1980 | Buick Electra |
| 1974 | Buick Estate Wagon |
| 1980 | Buick Estate Wagon |
| 1974-1975 | Buick LeSabre |
| 1977-1980 | Buick LeSabre |
| 1979-1981 | Buick Regal |
| 1974 | Buick Riviera |
| 1977 | Buick Skylark |
| 1975 | Oldsmobile 98 |
| 1975 | Oldsmobile Custom Cruiser |
| 1974 | Oldsmobile Cutlass |
| 1974 | Oldsmobile Cutlass Supreme |
| 1979 | Oldsmobile Delta 88 |
| 1972-1975 | Oldsmobile Toronado |
| 1957-1981 | Pontiac Bonneville |
| 1955-1981 | Pontiac Catalina |
| 1955-1958 | Pontiac Chieftain |
| 1967-1970 | Pontiac Executive |
| 1967-1981 | Pontiac Firebird |
| 1973-1975 | Pontiac Grand Am |
| 1978-1980 | Pontiac Grand Am |
| 1975-1977 | Pontiac Grand LeMans |
| 1979-1981 | Pontiac Grand LeMans |
| 1962-1981 | Pontiac Grand Prix |
| 1971-1978 | Pontiac Grand Safari |
| 1971-1975 | Pontiac Grandville |
| 1964-1973 | Pontiac GTO |
| 1963-1977 | Pontiac LeMans |
| 1979-1981 | Pontiac LeMans |
| 1955-1966 | Pontiac Star Chief |
| 1957-1958 | Pontiac Super Chief |
| 1961 | Pontiac Tempest |
| 1963-1970 | Pontiac Tempest |
| 1960-1961 | Pontiac Ventura |
| 1972-1974 | Pontiac Ventura |
| Attributes | |
| Amazon ASIN | B00062YEAY, B00062YEAY |
| ASIN | B00062YEAY |
| 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 | Pontiac 265-455, Pontiac 265-455 |
| Engine Make/Size | Pontiac 265-455 |
| Harmonized Tariff Code (Schedule B) | 8409914000 |
| Hazardous Material Code | N |
| Life Cycle Status Code | Available to Order |
| NAFTA Preference Criterion Code | B |
| Position | N/A |
| Ratio | 1.52 |
| Rocker Arm Material | 8620 Chromemoly Steel, 8620 Chromemoly Steel, 8620 Chromemoly Steel |
| Rocker Arm Ratio | 1.52, 1.52, 1.52 |
| Rocker Arm Series | Magnum, Magnum, Magnum |
| Rocker Stud Diameter | 7/16, 7/16, 7/16 |
| SDR Required Flag | N |
| SDS Sheet Number | N/A |
| Stud Size | 0.4375 |
| Warranty Time | 12 |
| GTIN | 00036584310785 |