COMP Cams Big Mutha' Thumpr 243/257 Hydraulic Flat Cam GK-Kit for Ford 351W
Part # GK35-602-4SKU COMGK35-602-4
Universal fit
| Brand | COMP Cams |
|---|---|
| Part type | Engine Camshaft Kit |
| Advertised Exhaust Duration | 313 deg |
| Advertised Intake Duration | 295 deg |
| Amazon ASIN | B002EE566I |
| Basic Operating RPM Range | 2,500-6,400 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 Series | Thumpr |
| Engine Family | Ford 351W 8 Cylinder (1969-1996) |
| Exhaust Duration at .050 inch Lift | 257 deg |
| Exhaust Valve Lift | 0.498 in |
| Gaskets Included | No |
| Intake Duration at .050 Inch Lift | 243 deg |
| Intake Valve Lift | 0.512 in |
| Kit Type | GK-Kit - Cam and Gear Kit |
| Lifter Type | Hydraulic Flat Tappet |
| Lifters Included | Yes |
| Locks Included | No |
| Pushrods Included | No |
| Retainers Included | No |
| Timing Chain and Gears Included | Yes |
| Usage | Street/Strip |
| Valve Stem Seals Included | No |
| UPC / GTIN | 00036584183297 |
Description
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam GK-Kit for Ford 351W. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears, and headers, very rough idle.
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