Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededCOMP CAMSPART NUMBER: 249-20-601-4
Mutha Thumpr Hydraulic Flat Tappet Camshaft Lift .497"/.483" Duration 287/305 RPM Range 2200-6100
$30995
Ships on 09/15/2026
Lowest Price GuaranteeChrysler 273-360 C.I. 8 CYL. 1964-2000
- Mutha Thumpr Hydraulic Flat Tappet Camshaft
- Lift: .497"/.483"
- Duration: 287/305
- RPM Range: 2200-6100
Hydraulic-(Mutha' Thumpr™) High performance street/strip, needs 9:1 CR, 2500+ stall, intake, gears, and headers, rough idle.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.
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 Height2.7
Package Width3.0
Package Length24.3
Weight9.43 PG
Part CategoryPerformance Parts
UsageStreet/Strip
Exh. Duration @ .050 In. (Deg)249
Cam StyleHydraulic flat tappet
QuantitySold individually
Grind Number287TH7
Exh. Duration Advertised (Deg)305
Engine Make/SizeMopar 273-360
Int. Duration @ .050 In. (Deg)235
Exhaust Valve Lift0.483 in (12.268 mm)
Intake Valve Lift0.497 in (12.624 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)287
Lobe Separation (Deg)107
Rpm Range2200-6100
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Valve Springs RequiredYes
Vendor Part Number20-601-4
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
![Break-In/Engine Oil Supplement [12 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28060.jpg)
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80521.jpg)
JEGS
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters
Part Number : 555-80599
$4779$51.99
You Save$4.20
![Precision Cam Degree Wheel Kit [11 in.]](https://www.jegs.com/images/mini_200/500/555/555-81621.jpg)
![159 Engine Break-In Oil Additive [12-Ounce]](https://www.jegs.com/images/mini_200/200/249/249-159.jpg)
COMP CAMS
Ultra Pro Magnum Shaft Mount Rocker Arms Chrysler V8 273-360
Part Number : 249-1622-16
$90595
COMP CAMS
10° Super Lock Steel Retainers Valve Spring Diameter: 1.437" to 1.500"
Part Number : 249-740-16
$8695
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations
