WEDDLE BILLET SIDECOVER KIT FOR ARCTIC CAT WILDCAT XX GEN 1 FRONT DIFF, USES (8) M8 BOLTS SECURING COVER TO MAIN HOUSING. FITS DIFF PART # 2502-740 KIT INCLUDES: (1) ARC-3333-017-HD SIDE COVER (1) ARC-3333-041 O-RING (1) ARC-3333-042 OUTPUT SEAL (8) H-BM8X20SH-D RING GEAR BOLTS (DRILLED) (8) H-WM8-SER SERRATED WASHERS (3) H-BM4X6BH RETAINER SCREWS FOR OUTPUT SEAL (3) H-WM4 WASHERS FOR RETAINER SCREWS (1) ARC-017HD-INST INSTRUCTIONS