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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-K20-601-4
Mutha" Thumpr Thumpr Hydraulic Flat Tappet Camshaft Complete Kit Lift .497"/.483" Duration 287/304 RPM Range 2200 to 6100
$70095
Ships on Oct 29, 2026
Lowest Price GuaranteeCurrently Unavailable
This product is currently not available. Please call customer service for assistance at 1-800-345-4545.
Chrysler 273-360 C.I. 8 CYL. 1964-2000
- Mutha' Thumpr Thumpr Hydraulic Flat Tappet Camshaft Complete Kit
- Complete Camshaft 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
273, 360, 318, AMC, Dodge, Mopar, Plymouth, Dart, Road Runner, Charger, Challenger, 383, 400, 440, 426, HEMI, 426 Wedge, 426 HEMI, RB, B, HEMI, 392, Chrysler, LA
High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
Lift .497"/.483"
Duration 287/304
RPM Range 2200 to 6100
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 Kit
BrandCOMP CAMS
Package Height5.0
Package Width10.0
Package Length26.0
Weight24.29 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)249
Cam StyleHydraulic flat tappet
Grind Number287TH7
Exh. Duration Advertised (Deg)305
Locks IncludedYes
Engine Make/SizeMopar 273-360
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.497
Int. Duration @ .050 In. (Deg)235
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,200-6,100
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.497 in (12.624 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)287
Lobe Separation (Deg)107
Rpm Range2200-6100
Lifter StyleHydraulic flat tappet
Advertised Duration287 int./304 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.483
Valve Springs IncludedYes
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.497 int./0.483 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lift0.483 in (12.268 mm)
Advertised Intake Duration287
Intake Duration At 050 Inch Lift235
Exhaust Duration At 050 Inch Lift249
Timing Chain StyleDouble roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration304
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift235 int./249 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK20-601-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
