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COMP Cams 21-600-5

Thumpr Hydraulic Flat Tappet Camshaft Single-Bolt Lift .486"/.473" Duration 279/296 RPM Range 2000-5800

COMP Cams 21-600-5

249-21-600-5

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Estimated ship date 01/22/18 if Ordered Today
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COMP Cams 21-600-5 Thumpr Hydraulic Flat Tappet Camshaft Single-Bolt Lift .486"/.473" Duration 279/296 RPM Range 2000-5800 $177.99
Thumpr Hydraulic Flat Tappet Camshaft
Single-Bolt
Lift .486"/.473"
Duration 279/296
RPM Range 2000-5800

COMP Cams 21-600-5 Details

Chrysler 383-440 C.I. 8 CYL. 1959-1980

Thumpr: High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.

Specifications:

Exhaust Valve Lift (in.)
0.473
Intake Valve Lift (in.)
0.486
RPM Range
2000-5800
Int. Duration @ .050 in. (Deg)
227
Exh. Duration @ .050 in. (Deg)
241
Int. Duration Advertised (Deg)
279
Exh. Duration Advertised (Deg)
296
Lifter Type
Hydraulic Flat Tappet
Usage
Street/Performance
Engine Make/Size
Mopar 383-440
Advertised Duration
279 int./296 exh.
Advertised Exhaust Duration
296
Advertised Intake Duration
279
Basic Operating RPM Range
2,000-5,800
Cam Style
Hydraulic flat tappet
Camshaft Gear Attachment
1-bolt
Computer-Controlled Compatible
No
Duration at 050 inch Lift
227 int./241 exh.
Exhaust Duration at 050 inch Lift
241
Exhaust Valve Lift with Factory Rocker Arm Ratio (
0.473
Grind Number
279TH7
Intake Duration at 050 inch Lift
227
Intake Valve Lift with Factory Rocker Arm Ratio (i
0.486
Quantity
Sold individually
Valve Lift with Factory Rocker Arm Ratio
0.486 int./0.473 exh.
Valve Springs Required
Yes
Lobe Separation (Deg)
107
Manufacturer's Part Number:
21-600-5

Thumpr Camshafts are the hottest cams to hit the streets in more than a decade. That's because they give you the big cam sound you're looking for, without the drawbacks. Applying a camshaft design originally created for sports car endurance racing, they incorporate early exhaust valve opening, long exhaust duration, and a generous amount of intake and exhaust overlap. Best of all, Thumprs will not negatively impact power output or streetability.

Features:
  • Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note
  • Best with aftermarket converters and more rear gear


    Thumpr Sound ClipClick to Listen

    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.

  • Does COMP Cams 21-600-5 fit your vehicle?

    Narrow Results
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    Aspiration
    Year: 1970
    Make: DODGE
    Model: CHALLENGER

    1970-1971 DODGE CHALLENGER

    • CC: 6286
    • Liter: 6.3
    • SubModel: R/T
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1970 DODGE CHALLENGER

    • CC: 7212
    • Liter: 7.2
    • SubModel: R/T
    • CUI: 440
    • EngineType: V8 ( 7.2 L / 440 )

    1970-1971 DODGE CHALLENGER

    • CC: 6286
    • Liter: 6.3
    • SubModel: BASE
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1970 DODGE CHALLENGER

    • CC: 7212
    • Liter: 7.2
    • Aspiration: N
    • SubModel: R/T
    • Engine Vin: U
    • CUI: 440
    • EngineType: V8 ( 7.2 L / 440 )
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