HD-OEM: 51901-52Part Number: 31-0508 UOM: 1 - EA Summary:Precision stamped and formed seat T for mounting K model types. This tee bar bolts directly on to all buddy style baseplates. Tee is for all police solos with mount kit.Style: Stock Fitment: K 1952-1956 XL 1957-1970 Tech. Notes:Suggested to use with #47-0110 seatMeasurements: Center to Center: 6-1/2" Country of Origin: Imported