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4th Wheel Kit - Tri-Hub Eliminator...
With the Speedwerx 4th Wheel Kit installed, you will have a more stable ride and better traction under acceleration. This kit prevents the sled from "walking" when the skis are off of the ground. This kit eliminates the stock Tri-Hub assembly and replaces it with individual wheels- they run much truer and you will not be left stranded in the event of wheel or bearing failure like you would with the stock setup!
Kit comes complete with four idler wheels in your choice of colors (Black, Team Arctic Green, Orange, White), machined aluminum spacers, all necessary mounting hardware and full installation instructions.
Applications: 2012-2018 Arctic Cat M/XF/ZR 6000/7000/8000/9000 137"-141"-153"-162" Models w/ 8" Wheels
Note: For 2013-2018 F/ZR 129" models with 7.12" wheels, use SPX4WK-5-7. For 2013 F800/F1100T RR and Tucker Hibbert models, use pn SPX4WK.
This vid shows the excessive runout on the stock molded Tri-Hub assembly- this little wobble can turn into a big vibration at speed...
These items are intended for closed-course competition only. Alternation of emissions-related components can constitute violation of federal and/or state laws. Substantial fines and penalties can result if used for other than closed-course competition use.