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Orders will not ship until March 15th

Due to COVID-19 affecting the Diesel industry, some orders may take longer to ship. ZZ Diesel is committed to getting you the parts you need during this time.

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Price Range:   $1,799.00 - $2,289.00
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Dynatrac’s Free-Spin heavy duty hub conversion kits are designed to replace the factory unit bearings with a fixed spindle design for superior strength, reliability, safety, and performance. While the factory unit bearing is non-serviceable, cannot be inspected, and prone to failure, the Free-Spin Hub Conversion offers ease of maintenance, a much smoother ride, greater fuel economy on Dodge trucks, and longer axle life. The simple bolt-on kit includes common and serviceable Timken bearings, chromoly spindles, cast nodular wheel hubs, Warn Premium manual locking hubs, and massive 1.50” diameter, 35-spline outer axle shafts. Consider an upgrade and substitute the Warn Premium locking hubs to Dynatrac’s Dynaloc manual locking hubs for greater strength, reliability, and a short, custom machined bezel to improve your hub’s looks. All parts are made in the USA.


  • Increases reliability
    Lower cost of ownership-
    Parts can be easily serviced for longer life
    Simple bolt on installation
    No machining or welding
    Smoother ride and better handling
    Reduce wear and increase mileage

Ford Application Notes:
Coarse studs are 14mm x 2.0
Fine Studs are 14mm x 1.5

Dodge Application Notes:
Dodge Dually (DRW) - This product will require specialty wheel adapters (not included) for use on Dodge Dually models.
*ABS is not supported on early Dodge applications.
2013-2016 Models - OEM Wheels with Center Cap will not fit with this upgrade. Aftermarket wheels are required.

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