The Dynatrac Free-Spin™ Heavy-Duty Hub Conversion Kit for 1999-2004 Ford F-250 and F-350 Super Duty trucks is designed to replace the factory unit bearings with fixed spindles for superior strength, and smooth performance. This kit includes is for trucks with coarse wheel studs. This kit includes DynaLoc™ locking hubs, providing improved locking hub function, greater strength and a shorter profile for better clearance that reduces the chance of hub impacts on the trail. Read more about DynaLoc hubs here.
Free-Spin Hub Conversion Kits include these features:
- Heat-treated chromoly spindles
- Top-quality bearings and seals
- 35-spline, 1.50-inch outer shafts
- Wheel hubs
- DynaLoc locking hubs
- All necessary studs and hardware
Dynatrac Free-Spin Hub Conversion Kits are the only 100-percent U.S.-made kits available.
NOTE: Trucks with dual rear wheels will require the use of a special dually wheel adapter. These can be purchased through Arrowcraft (248-280-0210). These parts have been made to work specifically with Dynatrac’s Free-Spin kit.
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