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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-23-231-4
Xtreme Energy Mechanical Flat Camshaft Lift .502"/.511" Duration 274/280 RPM Range 2200-6200 Lobe Angle 110°
$30995
Ships on 09/15/2026
Lowest Price GuaranteeChrysler 383-440ci Big Block 1959-80
- Xtreme Energy Mechanical Flat Camshaft
- Produces Better Throttle Response
- Produces Top Engine Horsepower
- Delivers Increased Engine Vacuum
- 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
Serious street/strip, 9.5:1 compression with 2800+ stall. Strong mid-range.
Lift .502"/.511"
Duration 274/280
RPM Range 2200-6200
Lobe Angle 110°
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 Height2.75
Package Width3.0
Package Length24.5
Weight10.3 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)242
Cam StyleMechanical flat tappet
Grind NumberXS274S
Exh. Duration Advertised (Deg)280
Engine Make/SizeMopar 383-440
Intake Valve Lift With Factory Rocker Arm Ratio (I0.502
Int. Duration @ .050 In. (Deg)236
Basic Operating Rpm Range2,200-6,200
Intake Valve Lash0.016 in (0.406 mm)
Intake Valve Lift0.502 in (12.751 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)274
Lobe Separation (Deg)110
Rpm Range2200-6200
Advertised Duration274 int./280 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.511
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.502 int./0.511 exh.
Camshaft Gear Attachment3-bolt
QuantitySold individually
Exhaust Valve Lash0.018 in (0.457 mm)
Exhaust Valve Lift0.511 in (12.979 mm)
Advertised Intake Duration274
Intake Duration At 050 Inch Lift236
Exhaust Duration At 050 Inch Lift242
Advertised Exhaust Duration280
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift236 int./242 exh.
Valve Springs RequiredYes
Vendor Part Number23-231-4
Package Qty1
Package TypeEA
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