COMP Cams Classic Big Mutha' Thumpr 243/257 Solid Flat Cam for Flathead Ford 239/255
Part # 41-602-7SKU COM41-602-7
Universal fit
| Brand | COMP Cams |
|---|---|
| Part type | Engine Camshaft |
| Advertised Exhaust Duration | 315 deg |
| Advertised Intake Duration | 283 deg |
| Amazon ASIN | B005H89W0Y |
| Assembly Lubricant Included | Yes |
| Basic Operating RPM Range | 2,200-4,200 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 | Solid Flat Tappet |
| Camshaft Material | Cast Iron |
| Camshaft Series | Classic Thumpr |
| Engine Family | Flathead Ford (2 Gear) 239, 255 c.i. 8 Cylinder (1949-1953) |
| Exhaust Duration at .050 inch Lift | 257 deg |
| Exhaust Valve Lift | 0.378 in |
| Grind Number | 295TS7 |
| Intake Duration at .050 Inch Lift | 243 deg |
| Intake Valve Lift | 0.382 in |
| Lifter Type | Solid Flat Tappet |
| Lifters Included | No |
| Lobe Separation | 107 deg |
| Valve Springs Required | Yes |
| UPC / GTIN | 00036584213468 |
Description
Classic Big Mutha' Thumpr 243/257 Solid Flat Cam for Flathead Ford 239/255. Street/strip, engine modification mandatory, aftermarket heads, very rough idle.
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