Manufactured by SPI OE quality cast construction Includes 2 pistons, ring sets, wrist pins, circlips Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls All pistons, rings pins, and circlips are manufactured to OEM specifications All individual components are interchangeable with original parts Piston weight compatible with original piston Pistons are for standard bore size 65.00mm Made in Taiwan Fits 1980 Arctic Cat Panther 440 1981 Arctic Cat Panther 440 F/C 1984 Arctic Cat Panther 440 F/C 1985 Arctic Cat Panther 440 F/C 1989 Arctic Cat Panther 440 F/C 1990 Arctic Cat Panther 440 F/C 1990 Arctic Cat Panther 440 F/C Mountain Cat 1991 Arctic Cat Panther 440 F/C 1991 Arctic Cat Panther 440 F/C Deluxe 1991 Arctic Cat Panther 440 F/C Mountain Cat 1992 Arctic Cat Panther 440 F/C 1992 Arctic Cat Panther 440 F/C Deluxe 1993 Arctic Cat Panther 440 F/C 1993 Arctic Cat Panther 440 F/C Deluxe 1994 Arctic Cat Panther 440 F/C Deluxe 1995 Arctic Cat Panther 440 F/C Deluxe 1996 Arctic Cat Panther 440 F/C Deluxe 1997 Arctic Cat Panther 440 F/C 1998 Arctic Cat Panther 440 F/C 1999 Arctic Cat Panther 440 F/C 2000 Arctic Cat Panther 440 2001 Arctic Cat Panther 440 2001 Arctic Cat Panther 440 ESR 2002 Arctic Cat Panther 440