39mm Fork Seals. Fits Dyna 1991-2005, FXR 1987-1994 & Most Sportster 1987-2021

* Sold as a pair

* Replaces OEM # 45378-87B

Tech Tips:

Does NOT Fit FXDWG 1993-2005

Does NOT Fit XL1200X 2016-2021

Patented fork seal features a balanced dual lip design (oil side) that evenly distributes the pressure reducing operating temperatures, wear and friction. A 3rd lip (air side) acts as an additional dust wiper. Custom Elastomer reduces stiction by 1/3 to ½ less than OEM seals for a smoother fork action and extended life.