Designed for necks with external press-in bearing cups used on many older Harley-Davidson frames and many custom aftermarket frames. Designed for necks that are 5-11/16" long (not including the cups). Fits all Pro-One Triple Trees and other brands with 4 pre-drilled holes. On brands without the necessary holes, kit can still be installed by drilling and tapping 4 holes. Easy to follow instructions included.
Bearing cups fit 1.325" neck bore. Measure the neck bore where the external neck cups install in the neck, or the length of the neck to be sure this is the kit you need.
Includes Polished Stainless Steel bearing cups.