Description
Rough idle, 3500+ stall, 10:1+ compression, 4:10 or lower gear ratio.
Resources
Installation Instructions
Resources
Installation Instructions
Specifications:
| Advertised Exhaust Duration | 305 |
| Advertised Intake Duration | 296 |
| Amazon ASIN | B000P5GEDM |
| Assembly Lubricant Included | Yes |
| Basic Operating RPM Range | 3,000-6,000 |
| C.A.R.B. E.O. Number | N/A |
| 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. |
| C.A.R.B. Exemption Reason | N/A |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Cam Type | Hydraulic Flat Tappet |
| Camshaft Gear Attachment | 1-Bolt |
| Camshaft Material | Cast Iron |
| Camshaft Series | Drag Race |
| Description_ASM | Pontiac 265-455 V8 |
| Description_DEF | Engine Camshaft |
| Description_DES | Drag Race 246/253 Hydraulic Flat Cam for Pontiac 265-455 |
| Description_EXT | Rough idle, 3500+ stall, 10:1+ compression, 4:10 or lower gear ratio. |
| Description_INV | Drag Race 246/253 H-Flat Pontiac 265-455 |
| Description_KEY | 265 |
| Description_KEY | 287 |
| Description_KEY | 301 |
| Description_KEY | 317 |
| Description_KEY | 347 |
| Description_KEY | 350 |
| Description_KEY | 370 |
| Description_KEY | 389 |
| Description_KEY | 400 |
| Description_KEY | 421 |
| Description_KEY | 428 |
| Description_KEY | 455 |
| Description_KEY | 455 HO |
| Description_KEY | Bonneville |
| Description_KEY | Catalina |
| Description_KEY | Century |
| Description_KEY | Firebird |
| Description_KEY | Formula |
| Description_KEY | Grand Am |
| Description_KEY | Grand Prix |
| Description_KEY | HO |
| Description_KEY | LeMans |
| Description_KEY | Parisienne |
| Description_KEY | Pontiac |
| Description_KEY | Ram Air |
| Description_KEY | Ram Air III |
| Description_KEY | Ram Air IV |
| Description_KEY | Regal |
| Description_KEY | SD |
| Description_KEY | SD455 |
| Description_KEY | Super Duty |
| Description_KEY | Trans-Am |
| Description_SHO | DR 246/253 HFTPont |
| Description_SHP | None |
| Engine Family | Pontiac 265-455 C.I. 8 Cylinder (1955-1981) |
| Exhaust Duration at .050 inch Lift | 253 |
| Exhaust Valve Lift | 0.577 |
| Grind Number | 296AH-8 |
| height | 2.6 |
| Intake Duration at .050 Inch Lift | 246 |
| Intake Valve Lift | 0.562 |
| length | 24.0 |
| Lifter Type | Hydraulic Flat Tappet |
| Lifters Included | No |
| Lobe Separation | 108 |
| LTL | N |
| Title | Drag Race 246/253 Hydraulic Flat Cam for Pontiac 265-455 |
| Usage | Street/Strip |
| Valve Springs Required | Yes |
| weight | 8.95 |
| width | 2.9 |
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