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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-K21-230-4
Xtreme Energy Mechanical Flat Camshaft Complete Kit Lift: .488"/.501"
$74595
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 Complete Kit
- Lift: .488"/.501"
- Duration: 268°/274°
- Lobe Separation Angle: 110°
- RPM Range 1800-5800
- 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
Excellent for street and mild strip, 2200+ stall or 4 speed.
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 Kit
BrandCOMP CAMS
Package Height5.0
Package Width10.25
Package Length25.5
Weight27.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleMechanical flat tappet
Grind NumberXS268S
Exh. Duration Advertised (Deg)274
Locks IncludedYes
Engine Make/SizeMopar V8
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.488
Int. Duration @ .050 In. (Deg)230
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,800-5,800
Pushrods IncludedNo
Gaskets IncludedNo
Intake Valve Lash0.016 in (0.406 mm)
Rocker Arms IncludedNo
Intake Valve Lift0.488 in (12.395 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)268
Lobe Separation (Deg)110
Rpm Range1800-5800
Lifter StyleMechanical flat tappet
Advertised Duration268 int./274 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.501
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.488 int./0.501 exh.
Camshaft Gear Attachment1-bolt
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lash0.018 in (0.457 mm)
Exhaust Valve Lift0.501 in (12.725 mm)
Advertised Intake Duration268
Intake Duration At 050 Inch Lift230
Exhaust Duration At 050 Inch Lift236
Timing Chain StyleDouble roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration274
Lifter TypeMechanical Flat Tappet
Duration At 050 Inch Lift230 int./236 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK21-230-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
