454 Big Block Camshaft Thumpr 227/241 Hydraulic Flat Tappet Camshaft fits Big Block Chev 396-454
RPM Range: 1,800-5,600
or 4 payments of $128.15 with
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*Free shipping on orders over $200
Description
Comp Cams #11-600-4 Thumpr Cam fits Big Block Chevy, BBC 454 Hydraulic Flat Tappet Camshaft with Choppy lumpy idle
High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
Comp Cams 11-600-4, Thumpr Cam for 454 Big Block Chevy Camshaft Specs
Basic Operating RPM Range: 1,800-5,600
Intake Duration at 050 inch Lift: 227
Exhaust Duration at 050 inch Lift: 241
Advertised Intake Duration: 279
Advertised Exhaust Duration: 296.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.498 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.483 in.
Lobe Separation (degrees): 107 (Choppy)
Comp Cams Grind Number: 279TH7
Valve Springs Required: Yes (recommended)
Specifications
| SKU | 11-600-4 |
| Barcode # | 036584176268 |
| Brand | COMP CAMS |
| intake valve lift | 0.498 |
| Exhaust Valve Lift | 0.483 |
| Lifter Type | Hydraulic Flat Tappet |
| Advertised Exhaust Duration | 297 |
| Advertised Intake Duration | 279 |
| Cam Type | Hydraulic Flat Tappet |
| Exhaust Duration At .050 Inch Lift | 241 |
| Intake Duration At .050 Inch Lift | 227 |
| Lobe Separation | 107 |
| Camshaft Series | Thumpr |
| Grind Number | 279TH7 |
| Basic Operating Rpm Range | 1,800-5,600 |
| Lifters Included | No |
| Valve Springs Required | Yes |
| Camshaft Gear Attachment | 3-Bolt |
| Camshaft Material | Cast Iron |
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