517215 Rear solo seat mount bracket, swingarm frame

Mounting a solo seat on a vintage Sportster or K-model requires the right hardware, and this rear solo seat mount bracket is built for the job. Finished in high-quality chrome-plated steel, this bracket mounts directly to the frame and features the necessary uprights to support solo seat springs. It is designed specifically for swingarm frames, fitting 1952 to 1956 K and KH models, as well as 1957 to 1978 XL Sportsters. This bracket provides a secure and period-correct foundation for your custom or restoration seat project. It is a durable piece of hardware that ensures your seat stays properly aligned while adding a touch of chrome to your frame. This MCS part replaces OEM number 517215.