Performance street/strip, needs higher compression and aftermarket heads, rough idle.
Classic Mutha' Thumpr 235/249 Solid Flat Cam for Flathead Ford 239/255. Performance street/strip, needs higher compression and aftermarket heads, rough idle.
Application Summary:
| Year |
Make/Model |
| 1950-1953 |
Ford Country Sedan |
| 1950-1953 |
Ford Country Squire |
| 1950-1953 |
Ford Crestline |
| 1949-1952 |
Ford Custom |
| 1952-1953 |
Ford Customline |
| 1949-1951 |
Ford Deluxe |
| 1949 |
Ford Ford |
| 1952-1953 |
Ford Mainline |
| 1950-1953 |
Ford Ranch Wagon |
| 1952-1953 |
Ford Sunliner |
| 1951-1953 |
Ford Victoria |
| 1952-1953 |
Mercury Custom |
| 1950-1951 |
Mercury Mercury |
| 1950-1952 |
Mercury Monterey |
| Attributes |
| Advertised Exhaust Duration |
307, 307 |
| Advertised Intake Duration |
275, 275 |
| Amazon ASIN |
B005H89VZA |
| ASIN |
B005H89VZA |
| Assembly Lubricant Included |
Yes, Yes |
| Basic Operating RPM Range |
2,000-4,000, 2,000-4,000 |
| C.A.R.B. E.O. Number |
N/A |
| 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. |
| C.A.R.B. Exemption Reason |
N/A |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Cam Type |
Solid Flat Tappet, Solid Flat Tappet |
| Camshaft Material |
Cast Iron, Cast Iron |
| Camshaft Series |
Classic Thumpr, Classic Thumpr |
| Country of Origin (Primary) |
US |
| Emission Code |
Not in CA |
| Engine Family |
Flathead Ford (2 Gear) 239, 255 c.i. 8 Cylinder (1949-1953), Flathead Ford (2 Gear) 239, 255 c.i. 8 Cylinder (1949-1953) |
| Engine Make/Size |
Ford Flat Head 239-255 |
| Exh. Duration @ .050 in. (Deg) |
249 |
| Exh. Duration Advertised (Deg) |
307 |
| Exhaust Duration at .050 inch Lift |
249, 249 |
| Exhaust Valve Lift |
0.364, 0.364 |
| Exhaust Valve Lift (in.) |
0.364 |
| Grind Number |
287TS7, 287TS7 |
| Harmonized Tariff Code (Schedule B) |
8409914000 |
| Hazardous Material Code |
Y |
| Int. Duration @ .050 in. (Deg) |
235 |
| Int. Duration Advertised (Deg) |
275 |
| Intake Duration at .050 Inch Lift |
235, 235 |
| Intake Valve Lift |
0.368, 0.368 |
| Intake Valve Lift (in.) |
0.368 |
| Life Cycle Status Code |
Available to Order |
| Lifter Style |
Solid Flat Tappet |
| Lifter Type |
Mechanical Flat Tappet, Solid Flat Tappet |
| Lifters Included |
No, No |
| Lobe Separation |
107, 107 |
| NAFTA Preference Criterion Code |
B |
| RPM Range |
2200-6100 |
| SDR Required Flag |
Y |
| SDS Sheet Number |
COMP4-107 |
| Usage |
Street/Performance |
| Valve Springs Required |
Yes, Yes |
| Warranty Time |
12 |
| GTIN |
00036584213451 |