'93-'01 Arctic Cat 580 Stock 75.40mm Bore Piston Kit, EXT, ZR, PanteraProX Standard Stock 75. 40mm Bore Piston Kit Includes Piston, Rings, Pin, C Clip, and Top End Bearing ITEM FITS: 1996 1998 Arctic Cat EXT 580 1998 Arctic Cat EXT 580 EFI 1993 Arctic Cat EXT 580 Mountain Cat 1993 1994 Arctic Cat EXT 580Z 1993 1997 Arctic Cat EXT 580Z LC 1996 1998 Arctic Cat EXT Deluxe 580 1996 1998 Arctic Cat Pantera 580 2001 Arctic Cat Pantera 580 1999 2001 Arctic Cat Pantera 580 EFI 1996 Arctic Cat Powder Special 580 1993 1997 Arctic