COMP Cams Drag Race 246/253 Hydraulic Flat Cam for Pontiac 265-455
Part # 51-316-4SKU COM51-316-4
Universal fit
| Brand | COMP Cams |
|---|---|
| Part type | Engine Camshaft |
| Advertised Exhaust Duration | 305 deg |
| Advertised Intake Duration | 296 deg |
| Amazon ASIN | B000P5GEDM |
| Assembly Lubricant Included | Yes |
| Basic Operating RPM Range | 3,000-6,000 RPM |
| 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. |
| Cam Type | Hydraulic Flat Tappet |
| Camshaft Gear Attachment | 1-Bolt |
| Camshaft Material | Cast Iron |
| Camshaft Series | Drag Race |
| Engine Family | Pontiac 265-455 C.I. 8 Cylinder (1955-1981) |
| Exhaust Duration at .050 inch Lift | 253 deg |
| Exhaust Valve Lift | 0.577 in |
| Grind Number | 296AH-8 |
| Intake Duration at .050 Inch Lift | 246 deg |
| Intake Valve Lift | 0.562 in |
| Lifter Type | Hydraulic Flat Tappet |
| Lifters Included | No |
| Lobe Separation | 108 deg |
| Usage | Street/Strip |
| Valve Springs Required | Yes |
| UPC / GTIN | 00036584612186 |
Description
Hydraulic: Rough idle, 3500-4000 stall, 10:1 compression, 4.10 or lower Gear ratio.
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