When we set out to build the ultimate line of Ultimate Unit Bearings, offering a variety of wheel bolt patterns was on the top of that list. Continuing with that goal in mind, we are excited to add a 6 on 6-1/2″ bolt pattern option to the family. Complete with 5/8″ wheel studs, and available in both 35 & 40 splined options, this new Trophy Truck inspired Ultimate Unit Bearing could easily be one of the most popular we see in Ultra4 racing.

35 spline option available HERE.

40 spline option available HERE.

Happy Friday!