The Dynatrac Free-Spin™ Heavy-Duty Hub Conversion Kit for 2015-2018 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 fits both single-rear-wheel (SRW) and dual-rear-wheel (DRW) trucks.
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: Free-Spin kits for 2015-2018 F-450/550 and 2005 to current Ford dually trucks reuse the factory wheel adapters.