Dynatrac Free-Spin Heavy-Duty Hub Conversion Kits replace the factory unit bearings with fixed spindles for superior strength and smooth performance. It also includes Dynatracs innovative low-profile DynaLoc locking hubs.

The Dynatrac Free-Spin Heavy-Duty Hub Conversion Kit for 2005-14 Ford F250 and F350 Super Duty trucks is designed to replace the factory unit bearings with fixed spindles for superior strength and smooth performance. Factory unit bearings are not serviceable, cant be inspected, and are a known failure point.

This kit fits both single-rear-wheel (SRW) and dual-rear-wheel (DRW) trucks. It also includes Dynatracs innovative DynaLoc locking hubs that deliver improved locking function, are three times stronger than other locking hubs, and their shorter profile affords better clearance, reducing the chance of hub impact damage.

Features and Benefits:

• 35-spline, 1.50-inch outer shafts
• Easy to maintain for longer service life
• Features DynaLoc locking hubs for maximum performance
• For fine wheel stud applications
• Replaces failure-prone factory unit bearings
• Strong heat-treated chromoly spindles
• Top-quality bearings reduce wear and increase fuel economy

Details:

• Drive: 4WD
• Series: Free-Spin
• Sold As: Kit

Application Notes:

• 2000-2005 Ford Excursion (Drive: 4WD)
• 1999-2004 Ford F-250 Super Duty (Drive: 4WD)
• 1999-2004 Ford F-350 Super Duty (Drive: 4WD)

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 Dynatracs Free-Spin Kit.