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Part # 1452-16
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.
| Amazon ASIN | B000CEQDH8 |
|---|---|
| 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. |
| Engine Family | Pontiac 265-455 |
| Maximum Valve Spring Open Pressure | 350 |
| Rocker Arm Material | 8620 Chromemoly Steel |
| Rocker Arm Ratio | 1.65 |
| Rocker Arm Series | Magnum |
| Rocker Stud Diameter | 7/16 in |
| UPC / GTIN | 00036584310914 |