COMP Cams Thumpr 227/241 Hydraulic Flat Cam for Pontiac 265-455
Part # 51-600-5SKU COM51-600-5
Universal fit
| Brand | COMP Cams |
|---|---|
| Part type | Engine Camshaft |
| Advertised Exhaust Duration | 297 deg |
| Advertised Intake Duration | 279 deg |
| Amazon ASIN | B0046ZJBXW |
| Assembly Lubricant Included | Yes |
| Basic Operating RPM Range | 2,000-5,800 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 | CL51-600-5 |
| Cam Type | Hydraulic Flat Tappet |
| Camshaft Gear Attachment | 1-Bolt |
| Camshaft Material | Cast Iron |
| Camshaft Series | Thumpr |
| Engine Family | Pontiac 265-455 C.I. 8 Cylinder (1955-1981) |
| Exhaust Duration at .050 inch Lift | 241 deg |
| Exhaust Valve Lift | 0.465 in |
| Grind Number | 279TH7 |
| Intake Duration at .050 Inch Lift | 227 deg |
| Intake Valve Lift | 0.478 in |
| K-Kit Upgrade | K51-600-5 |
| Lifter Type | Hydraulic Flat Tappet |
| Lifters Included | No |
| Lobe Separation | 107 deg |
| Usage | Street/Performance |
| Valve Springs Required | Yes |
| UPC / GTIN | 00036584213246 |
Description
Thumpr 227/241 Hydraulic Flat Cam for Pontiac 265-455 Thumpr - High performance street, stock converter ok, best with 2000+ converter and Gears. Choppy/thumping idle.
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