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COMP Cams 23-224-4

Magnum 274H Hydraulic Flat Tappet Camshaft Lift .488"/.491" Duration 274°/296° RPM Range 1000-7000

COMP Cams 23-224-4

249-23-224-4

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COMP Cams 23-224-4 Magnum 274H Hydraulic Flat Tappet Camshaft Lift .488"/.491" Duration 274°/296° RPM Range 1000-7000 $136.99
Magnum 274H Hydraulic Flat Tappet Camshaft
Lift .488"/.491"
Duration 274°/296°
RPM Range 1000-7000

COMP Cams 23-224-4 Details

Chrysler 383-440ci 1959-1980

  • Cams Are Very Aggressive
  • Designed For Performance Oriented Vehicles
  • Deliver More Power Than Standard Camshafts
  • 1 Year Limited Warranty

  • Specifications:

    Intake Valve Lift (in.)
    0.488
    Exhaust Valve Lift (in.)
    0.491
    RPM Range
    1800-6000
    Int. Duration @ .050 in. (Deg)
    230
    Exh. Duration @ .050 in. (Deg)
    236
    Int. Duration Advertised (Deg)
    274
    Exh. Duration Advertised (Deg)
    286
    Lifter Type
    Hydraulic Flat Tappet
    Engine Make/Size
    Mopar 383-440
    Usage
    Street/Strip
    Advertised Duration
    274 int./286 exh.
    Advertised Exhaust Duration
    286
    Advertised Intake Duration
    274
    Basic Operating RPM Range
    1,800-6,000
    Cam Style
    Hydraulic flat tappet
    Camshaft Gear Attachment
    3-bolt
    Computer-Controlled Compatible
    No
    Duration at 050 inch Lift
    230 int./236 exh.
    Exhaust Duration at 050 inch Lift
    236
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.491
    Grind Number
    XE274H
    Intake Duration at 050 inch Lift
    230
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.488
    Quantity
    Sold individually
    Valve Lift with Factory Rocker Arm Ratio
    0.488 int./0.491 exh.
    Valve Springs Required
    Yes
    Lobe Separation (Deg)
    110
    Manufacturer's Part Number:
    23-224-4

    Comp Cams Magnum Camshafts are very aggressive and specifically designed for the street enthusiast looking for more power with that Pro Street sound. Intended for performance oriented vehicles that will see little street use. The idle characteristics of your engine will change due to the increased duration and overlap of the Magnum Cam Series. You will notice a racey idle with the 280-grind while the 292 and 305-grinds will produce a rough or ''rumbly'' idle. Stock components are generally incompatible. Changes are needed in rear end gear ratios, headers and the torque converter. Magnum Cams will affect your power accessories to a certain extent. The 280 and 292-grinds are the biggest cams that should be used with power assisted brakes, air conditioning, etc. You should remember that the bigger the engine is, the less the cam will affect the vacuum which affects your power accessories. The smaller your engine is, the more the Magnum Camshaft will affect your power accessories. Most late model vehicles have a vacuum canister. If your vehicle does not have a vacuum canister, it may be necessary to add one.

    Features:
  • Great high RPM power
  • Easy on valve train parts
  • Can be used with mild ratio rocker arms and traditional performance valve springs
  • Best with aftermarket converter and 9.5:1+ compression

    268H Series
    Good street performance with stock converter, choppy idle.

    270H Series
    Great for high performance driving in street machines. The 270H has a rough idle in small blocks and a noticeable idle in big blocks. This is the largest cam that can be used with a stock torque converter. The 270H should not affect power accessories, but should be used with headers and 4bbl carburetor.

    280H Series
    Best for serious street machines. This cam has a definite rough idle and will sometimes affect power accessories. It can be driven extensively on the street or raced on the weekends. The 280H needs an aftermarket converter, intake manifold and headers.

    286H Series
    Designed to fill in the gap between teh 280H and 292H. For serious street machines and bracket racers. With a rough idle and lower vacuum signal, this is not an average street cam. At least a 2500-RPM converter must be used, but a 3000 is recommended.

    292H Series
    This cam is for the serious street/strip type car. An aftermarket torque converter should be used as well as headers, intake and increased compression. The 292H has a radical, rough idle.

    305H Series
    The 305H should really be considered for Pro-Street type cars where actual streetability is not a major concern. The design of this cam also makes it ideal for all bracket racing engines. Major engine modifications are needed as well as transmission and driveline improvements. The 305H works best in large cubic inch engines and has a radical idle. This is the only hydraulic cam in the series that does not have an advance made into it and will need to be degreed in.

    Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.

    Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.

    Small Kits are indicated by a SK in their part number and include Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals, and Instructions.

  • Does COMP Cams 23-224-4 fit your vehicle?

    Narrow Results
    Year: 1975
    Make: DODGE
    Model: D300 PICKUP

    1975-1976 DODGE D300 PICKUP

    • Fitment_Note: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 7.2
    • SubModel: CUSTOM
    • CUI: 440
    • EngineType: V8 ( 7.2 L / 440 )
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