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Classic Big Mutha' Thumpr 243/257 Solid Flat Cam for Flathead Ford 239, 255
$624.95
Classic Big Mutha' Thumpr™ 243/257 Solid Flat Cam for Flathead Ford 239/255. Street/strip, engine modification mandatory, aftermarket heads, very rough idle.
TEMPORARILY OUT OF STOCK
SKU
41-602-7
| UPC | 036584213468 |
|---|---|
| Manufacturer | COMP Cams® |
| Emissions Code | N/A |
| Engine Family | Ford Flathead (2 Gear) 239, 255 c.i. 8 Cylinder (1949-1953) |
| RPM Operating Range | 2,200-4,200 |
| Cam Type | Solid Flat Tappet |
| Camshaft Series | Classic Thumpr |
| Usage | Street Performance |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Advertised Intake Duration | 283 |
| Advertised Exhaust Duration | 315 |
| Intake Duration at .050 Inch Lift | 243 |
| Exhaust Duration at .050 Inch Lift | 257 |
| Intake Valve Lift | 0.382 |
| Exhaust Valve Lift | 0.378 |
| Lobe Lift Intake | 0.382 |
| Lobe Lift Exhaust | 0.378 |
| Lobe Separation | 107 |
| Intake Centerline | 102 |
| Valve Timing Lift | 0.02 |
| Exhaust Close ATDC | 35 |
| Intake Open BTDC | 31 |
| Exhaust Open BBDC | 72 |
| Intake Close ABDC | 56 |
| Lifter Style | Solid Flat Tappet |
| Make | Ford |
| Component | Part Number |
|---|---|
| Break-In Lube | 159 |
