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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-CL21-231-4
Xtreme Energy Mechanical Flat Camshaft and Lifter Kit Lift: .502"/.511"
$45695
Ships on Oct 28, 2026
Lowest Price GuaranteeCurrently Unavailable
This product is currently not available. Please call customer service for assistance at 1-800-345-4545.
Chrysler 383-440 C.I. 8 CYL. 1959-1980
Single Bolt
Single Bolt
- Xtreme Energy Mechanical Flat Camshaft and Lifter Kit
- Lift: .502"/.511"
- Duration: 274°/280°
- Lobe Separation Angle: 110°
- RPM Range 2200-6200
- 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.
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 Height3.1
Package Width5.5
Package Length25.3
Weight14.7 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)242
Cam StyleMechanical flat tappet
Grind NumberXS274S
Exh. Duration Advertised (Deg)280
Locks IncludedNo
Engine Make/SizeMopar 361-400
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.502
Int. Duration @ .050 In. (Deg)236
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,200-6,200
Pushrods IncludedNo
Gaskets IncludedNo
Intake Valve Lash0.016 in (0.406 mm)
Rocker Arms IncludedNo
Intake Valve Lift0.502 in (12.751 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)274
Lobe Separation (Deg)110
Rpm Range2200-6200
Lifter StyleMechanical flat tappet
Advertised Duration274 int./280 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.511
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.502 int./0.511 exh.
Camshaft Gear Attachment1-bolt
QuantitySold as a kit
Valve Stem Seals IncludedNo
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
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration280
Lifter TypeMechanical Flat Tappet
Duration At 050 Inch Lift236 int./242 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL21-231-4
Package Qty1
Package TypeEA
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