Rubber Bumper - Stand Stop Rubber - Also for use with Aftermarket Muffler Center Stand Stops. Rubber bumper is mounted to muffler and/or frame. 1" Dia x 9/16" Long - Fits into 3/8" (10mm) Hole. OEM Ref. # 278-27114-00/01/A0, 371-27114-00-00. Used on All TX/XS650's 1974-84 Some models use 2 pc.   Part #97-0010 $2.89 Ea.