Free-Spin 1550 Kit 2015-2022 Ford F-250 and F-350 with DynaLoc™ Hubs

The Dynatrac Free-Spin™ Heavy-Duty Hub Conversion Kit for 2015-2022 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

NOTE: Free-Spin kits for 2015-2018 F-250/350 and 2005 to current Ford dually trucks reuse the factory wheel adapters.

Requires a 1550 Inner shaft and a 1550 U-joint

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