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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-34-601-9
Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Lift: .567"/.551"
$55895
Ships on 10/20/2026
Lowest Price GuaranteeFord 429, 460 c.i. 8 CYL. 1968-1995 Non-Factory Roller BlockMutha Thumpr
- Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft
- Lift: .567"/.551"
- Duration: 291°/311°
- Lobe Separation Angle: 107°
- RPM Range: 2200-5900
Mutha' Thumpr™ : High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.Ford; 429; 460; BBF; Big Block Ford; 385; Cobra Jet; 429 Cobra Jet; Interceptor; Lima; F100; F150; F250; Super Duty; E150; E250
High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
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.
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Part TypeCamshaft
BrandCOMP CAMS
Package Height2.75
Package Width3.0
Package Length24.5
Weight13.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)249
Cam StyleHydraulic roller tappet
Grind Number291THR7
Exh. Duration Advertised (Deg)311
Engine Make/SizeFord 429-460
Intake Valve Lift With Factory Rocker Arm Ratio (I0.567
Int. Duration @ .050 In. (Deg)235
Basic Operating Rpm Range2,200-5,900
Intake Valve Lift0.567 in (14.402 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)291
Lobe Separation (Deg)107
Rpm Range2200-5900
Advertised Duration291 int./311 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.551
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.567 int./0.551 exh.
QuantitySold individually
Exhaust Valve Lift0.551 in (13.995 mm)
Advertised Intake Duration291
Intake Duration At 050 Inch Lift235
Exhaust Duration At 050 Inch Lift249
Advertised Exhaust Duration311
Lifter TypeHydraulic Roller Retrofit
Duration At 050 Inch Lift235 int./249 exh.
Valve Springs RequiredYes
Vendor Part Number34-601-9
Package Qty1
Package TypeEA
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