Wiseco 20 x 26 x 23.8mm Top End BearingAs the leading manufacturer of forged two stroke pistons, Wiseco knows top end bearings are crucial to your top end rebuild. Wiseco two stroke top end bearings are manufactured by leading bearing suppliers and inspected for quality. This Part Fits: Year Make Model Submodel 1995 1996 Arctic Cat Bearcat 550 Base 1994 Arctic Cat Cheetah 550 Base 1995 1998 Arctic Cat Cougar Base 1992 1993 Arctic Cat EXT 550 Base 1996 Arctic Cat EXT 580 Base 1997 1998