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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-CL21-246-4
Comp Cams 'Magnum' Mechanical Flat Tappet Camshafts
$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
- Magnum 270S Mechanical Flat Tappet Camshaft & Lifter Kit
- Cams Are Very Aggressive
- Designed For Performance Oriented Vehicles
- Deliver More Power Than Standard Camshafts
- 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
Good with stock converter. Near smooth idle in 440. Works good with 650-750 CFM carb. Excellent torque.
Lift: .468"/.468"
Duration: 270°/270°
Lobe Separation Angle: 110°
RPM Range: 2000-5500
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 Height3.0
Package Width5.5
Package Length26.0
Weight14.7 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)224
Cam StyleMechanical flat tappet
Grind Number270S
Exh. Duration Advertised (Deg)270
Locks IncludedNo
Engine Make/SizeMopar 361-400
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.468
Int. Duration @ .050 In. (Deg)224
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,000-5,500
Pushrods IncludedNo
Gaskets IncludedNo
Intake Valve Lash0.022 in (0.559 mm)
Rocker Arms IncludedNo
Intake Valve Lift0.468 in (11.887 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)270
Lobe Separation (Deg)110
Rpm Range2000-5500
Lifter StyleMechanical flat tappet
Advertised Duration270 int./270 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.468
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.468 int./0.468 exh.
Camshaft Gear Attachment1-bolt
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lash0.022 in (0.559 mm)
Exhaust Valve Lift0.468 in (11.887 mm)
Advertised Intake Duration270
Intake Duration At 050 Inch Lift224
Exhaust Duration At 050 Inch Lift224
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration270
Lifter TypeMechanical Flat Tappet
Duration At 050 Inch Lift224 int./224 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL21-246-4
Package Qty1
Package TypeEA
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