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  • Internal Chrysler 383, 426, 440 CID 426 Hemi B/RB Steel Black Zinc O.D. 7-1/4" 720311 - Modern Automotive Performance
  • Internal Chrysler 383, 426, 440 CID 426 Hemi B/RB Steel Black Zinc O.D. 7-1/4" 720311 - Modern Automotive Performance

    Internal Chrysler 383, 426, 440 CID 426 Hemi B/RB Steel Black Zinc O.D. 7-1/4" 720311

    PART# FLU 720311
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    $ 516.12

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    Internal Chrysler 383, 426, 440 CID 426 Hemi B/RB Steel Black Zinc O.D. 7-1/4" 720311 - Modern Automotive Performance

    Using only three parts--a laser-welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two--these SFI-approved Fluidamprs can control all crankshaft vibration, not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.

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