THIS CLAMP GOES ON THE FRONT OF THE LONG LARGE MUFFLER HEAT SHIELD TO HOLD IT TO THE HEADER PIPE 41G$4.59 *HEX_BOLT_6x20 1/16A (B81J) THIS IS AN OEM HEX BOLT 6 x 20. MOST OEM KICK ARMS WILL WORK FOR FRONT FENDER OF ATC70 ATC90 ATC110 AND OTHERS B81J$0.73