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Harmonic Balancers and Pulleys

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  • Scram Speed 5.9 360 Magnum Flexplate w/ weights, round metal automotive part with mounting holes and additional weights attached.

    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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  • Scram Speed V-Belt Underdrive Crank Pulley for BB/SB Mopar, a silver metal automotive pulley with a central hole and multiple smaller holes around it for installation.

    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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  • Professional Products Pro Products SFI Race Dampener for Small Block Mopar, high-performance engine harmonic balancer with red and black design and metal mounting parts.

    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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  • PRW Street Dampener for Small Block Mopar, SFI Approved, with mounting brackets and hardware included.

    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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