Two 5.63 inch Wheel Kit - 2015-2018 ZR XF - 6639-808
6639-808
Kit adds two additional 5.63" wheels
Adding additional wheels helps reduce slide wear in low snow conditions
Includes 2 wheels, 2 mounts, mounting bolts, and instructions
These can be added to the outside of the rail in locations #1, #2, or #3 shown in the diagram
Fits Models:
2015-2018 XF 137"
2015-2018 ZR 129"
2016-2018 ZR 137"