Spyntec Hub Conversion Kit 99-08 Ford F-250 / F-350 SuperDuty

Better fuel economy, less wear and tear, strength....that's all what you can expect from installing a Spyntec Hub Conversion Kit on your Ford SuperDuty! So, if you've ever wanted the reliability of a mechanical locking hub that YOU select, choose SPYNTEC! IMPORTANT NOTES: This kit is available in three different variants, please choose your appropriate model year. In 2002, there was a mid-model year split in regards to the studs. The 1999-early 2002 feature a coarse thread stud, and the late 2002-2004 feature a fine thread stud, please verify which stud your truck has if you have a 2002.