COMP Cams Magnum/Drag Race 253/253 Hydraulic Flat Cam for Pontiac 265-455
Part # 51-241-4SKU COM51-241-4
Universal fit
| Brand | COMP Cams |
|---|---|
| Part type | Engine Camshaft |
| Advertised Exhaust Duration | 305 deg |
| Advertised Intake Duration | 305 deg |
| Amazon ASIN | B001O07IL4 |
| Assembly Lubricant Included | Yes |
| Basic Operating RPM Range | 3,000-6500 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 and Lifter Kit Upgrade | CL51-241-4 |
| Cam Type | Hydraulic Flat Tappet |
| Camshaft Gear Attachment | 1-Bolt |
| Camshaft Material | Cast Iron |
| Camshaft Series | Magnum |
| Engine Family | Pontiac 265-455 C.I. 8 Cylinder (1955-1981) |
| Exhaust Duration at .050 inch Lift | 253 deg |
| Exhaust Valve Lift | 0.525 in |
| Grind Number | 305H-10 |
| Intake Duration at .050 Inch Lift | 253 deg |
| Intake Valve Lift | 0.525 in |
| K-Kit Upgrade | K51-241-4 |
| Lifter Type | Hydraulic Flat Tappet |
| Lifters Included | No |
| Lobe Separation | 110 deg |
| SK-Kit Upgrade | SK51-241-4 |
| Usage | Street/Strip |
| Valve Springs Required | Yes |
| UPC / GTIN | 00036584612087 |
Description
Hydraulic: Racy idle. Bracket racing cam. Needs 10.5:1 compression and 3500 stall. Low Gear ratio.
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