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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-33-600-5
Thumpr Hydraulic Flat Camshaft Lift .506"/.493" Duration 278/296 RPM Range 2000-5800
$32595
Ships on 10/22/2026
Lowest Price GuaranteeFord 352-428 c.i. 8 CYL. 1963-1976
- Thumpr Hydraulic Flat Camshaft
- 3 Grinds To Fit All Of Your Performance Needs
- Unique Design
- Maximizes Sound And Mid To High RPM Power
- Ensures Safe Piston-To-Valve Clearance
- Proven To Generate 25+ RWHP Gains
- Does Not Compromise Durability
- 1 Year Limited Warranty
Ford, FE, 352, 428, Super Cobra Jet, SCJ, Cobra Jet, Mustang, Mach 1, Shelby, 332, 361, 390, 406, 410, 427, 428, Truck, F100, F150, Ford Truck
High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
Lift .506"/.493"
Duration 278/296
RPM Range 2000-5800
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 Height2.9
Package Width3.1
Package Length24.3
Weight11.07 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)249
Cam StyleHydraulic flat tappet
Grind Number279TH7
Exh. Duration Advertised (Deg)304
Engine Make/SizeFord 352-428
Intake Valve Lift With Factory Rocker Arm Ratio (I0.506
Int. Duration @ .050 In. (Deg)234
Basic Operating Rpm Range2,000-5,800
Intake Valve Lift0.519 in (13.183 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)286
Lobe Separation (Deg)107
Rpm Range2000-5800
Advertised Duration278 int./296 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.493
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.506 int./0.493 exh.
QuantitySold individually
Exhaust Valve Lift0.515 in (13.081 mm)
Advertised Intake Duration278
Intake Duration At 050 Inch Lift226
Exhaust Duration At 050 Inch Lift241
Advertised Exhaust Duration296
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift226 int./241 exh.
Valve Springs RequiredYes
Vendor Part Number33-600-5
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
