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Product Discontinued
COMP CAMSPART NUMBER: 249-CL33-601-9
Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft & Lifter Kit Lift: .567"/.551"
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Ford 352-428 c.i. 8 CYL. 1963-1977 Non-Factory Roller BlockMutha Thumpr
- Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft & Lifter Kit
- Lift: .567"/.551"
- Duration: 291°/311°
- Lobe Separation Angle: 107°
- RPM Range: 2200-5900
- Camshaft And Lifter Kit
- 3 Grinds To Fit All Of Your Performance Needs
- Long Exhaust Duration
- Produces A Powerful Hard-Hitting Exhaust Note
- Excellent Horsepower Gains And Broad Torque Curve
- Delivers Real Seat Of The Pants Performance
- Designed For Use w/Latest In ValveTrain Components
- 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
Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height3.0
Package Width5.5
Package Length26.0
Weight18.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)249
Cam StyleHydraulic roller tappet
Grind Number291THR7
Exh. Duration Advertised (Deg)311
Locks IncludedNo
Engine Make/SizeFord 352-428
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.567
Int. Duration @ .050 In. (Deg)235
Assembly Lubricant IncludedNo
Basic Operating Rpm Range2,200-5,900
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.567 in (14.402 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)291
Lobe Separation (Deg)107
Rpm Range2200-5900
Lifter StyleHydraulic roller
Advertised Duration291 int./311 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.551
Valve Springs IncludedNo
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.567 int./0.551 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.551 in (13.995 mm)
Advertised Intake Duration291
Intake Duration At 050 Inch Lift235
Exhaust Duration At 050 Inch Lift249
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration311
Lifter TypeHydraulic Roller Retrofit
Duration At 050 Inch Lift235 int./249 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL33-601-9
Package Qty1
Package TypeEA
No Questions
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Some parts are not legal for use in California or other states with similar laws / regulations
