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Harmonic Balancers and Pulleys

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  • 5.9 360 Magnum Flexplate w/ weights

    Scram Speed

    5.9 360 Magnum Flexplate w/ weights

    This is a hard-to-find stock replacement flexplate for 5.9 Magnum engines. If the flexplate you got with your swap motor was damaged, or missing, or you got an engine from a stick shift vehicle, this is the part you need!This flexplate has the correct...

    $99.99
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  • V-Belt Underdrive Crank Pulley for BB/SB Mopar

    Scram Speed

    V-Belt Underdrive Crank Pulley for BB/SB Mopar

    This powder coated underdrive crank pulley adds horsepower and great looks to your Small Block, Big Block or Magnum engine - note that Magnum may require swapping balancer to enable use of this pulley. Typical improvements of 5-10 rwhp have been...

    $129.99
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  • Pro Products SFI Race Dampener for Small Block Mopar

    Professional Products

    Pro Products SFI Race Dampener for Small Block Mopar

    (1)

    Many Magnum engines come with a serpentine crank pulley that is integral to the balancer. For users wishing to keep their V-belts, the best option is to replace the factory dampener with one of these aftermarket pieces, and either a stock LA or...

    (1)

    $209.99
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  • Street Dampener for Small Block Mopar (LA and Magnum) SFI Approved!!

    PRW

    Street Dampener for Small Block Mopar (LA and Magnum) SFI Approved!!

    (3)

    Many Magnum engines come with a serpentine crank pulley that is integral to the balancer/harmonic dampener. For users wishing to keep their V-belts, the best option is to replace the factory dampener with one of these aftermarket pieces, and either a...

    (3)

    $149.99
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