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Fluidampr 720321

Harmonic Damper Mopar 331/354/392 Early HEMI Engines

Fluidampr 720321

388-720321

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Fluidampr 720321 Harmonic Damper Mopar 331/354/392 Early HEMI Engines $386.99
Harmonic Damper
  • Mopar 331/354/392 Early HEMI Engines
  • Diameter: 7-1/4" O.D.
  • Bore Dia. (Min/Max): 1.5295/1.5305
  • Weight in lbs. (Rotating Weight): 9 lbs. (6.1 lbs.)
  • Internal Balance
  • 6-Bolt Holes Evenly Spaced Pulley Pattern

  • Specifications:

    Material
    Steel
    Position
    N/A
    Finish
    Black Zinc
    Engine Balance
    Internal
    Degree Markings
    Yes
    Safety Rating
    SFI 18.1
    Mounting Hardware Incl.
    No
    Keyway
    Single; (1/4")
    Degree Marking Range
    50
    O.D.
    7-1/4" (7.250)
    Bore Dia. Min/Max
    1.5295 / 1.5305
    Length
    2.34
    WT. in lbs.()=Rotating weight
    9.0 (6.1 Rwt)
    Manufacturer's Part Number:
    720321

    You can't feel them or hear them, but harmonic vibrations are at work inside EVERY internal combustion engine. That's not good. Similar to glass-shattering forces created by a high pitched note, harmonic vibrations cause metal fatigue and can cause significant power loss because crankshaft harmonics are transmitted to the camshaft and valvetrain. Control this power-robbing force with a Fluidampr harmonic damper that uses race proven vibration damping technology. A high viscosity silicone fluid surrounds a nylon-coated inertia ring inside a laser welded housing. All dampers are coated with a black zinc chromate finish for increased corrosion resistance. Timing marks - every two degrees from 50 degrees BTDC to 10 degrees ATDC with additional marks at 90, 180 and 270. Meets SFI 18.1 specs. Made In The USA.

    Does Fluidampr 720321 fit your vehicle?

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    1957-1958 CHRYSLER IMPERIAL

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    1957-1958 CHRYSLER NEWPORT

    • CC: 6425
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 392
    • EngineType: V8 ( 6.4 L / 392 )

    1957-1958 CHRYSLER NEW YORKER

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    1957-1958 CHRYSLER 300

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    1957-1958 CHRYSLER TOWN & COUNTRY

    • CC: 6425
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 392
    • EngineType: V8 ( 6.4 L / 392 )
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