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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-41-600-7
Thumpr Mechanical Flat Tappet Camshaft Ford 239-255ci Flathead 1949-53 Lift: .354"/.350"
$68995
Ships on Sep 04, 2026
Lowest Price GuaranteeFord 239-255ci Flathead 1949-53 (Classic Thumpr)
- Thumpr Mechanical Flat Tappet Camshaft
- Lift: .354"/.350"
- Duration: 267°/299°
- Lobe Separation Angle: 107°
- RPM Range: 2000-5800
- High-performance street
- Stock converter ok, best with 2000+ converter and gears
- Choppy/thumping idle
Flathead; Ford 239; Ford 255
Street performance, choppy/thumping idle.
Ford 239-255ci Flathead 1949-53
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeCamshaft
BrandCOMP CAMS
Package Height2.75
Package Width3.0
Package Length24.5
Weight9.91 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)257
Cam StyleMechanical flat tappet
Grind Number267TS7
Exh. Duration Advertised (Deg)315
Engine Make/SizeFord Flat Head 239-255
Intake Valve Lift With Factory Rocker Arm Ratio (I0.354
Int. Duration @ .050 In. (Deg)243
Basic Operating Rpm Range2,000-5,800
Intake Valve Lash0.012 in (0.305 mm)
Intake Valve Lift0.354 in (8.992 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)283
Lobe Separation (Deg)107
Rpm Range2000-5800
Advertised Duration267 int./299 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.35
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.354 int./0.350 exh.
QuantitySold individually
Exhaust Valve Lash0.014 in (0.356 mm)
Exhaust Valve Lift0.35 in (8.89 mm)
Advertised Intake Duration267
Intake Duration At 050 Inch Lift227
Exhaust Duration At 050 Inch Lift241
Advertised Exhaust Duration299
Lifter TypeMechanical Flat Tappet
Duration At 050 Inch Lift227 int./241 exh.
Valve Springs RequiredYes
Vendor Part Number41-600-7
Package Qty1
Package TypeEA
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