Ultimax 3 has evolved into Ultimax Pro Belt features a thicker cross section so more surface area contacts the clutch; this means less slippage over a broader speed range for quicker acceleration New cog design dissipates heat and aids flexibility Cooler running belts mean better performance and longer lasting belts Run cool, run long, run fast with Ultimax Pro This item fits the following applications: 2004-2007 Arctic Cat Z 570 LX 2003-2006 Arctic Cat Firecat 500 2005-2006 Arctic Cat Firecat 600 EFI R 2004-2006 Arctic Cat Panther 570 2004-2006 Arctic Cat Sabercat 600 EFI LX 2006 Arctic Cat Sabercat 500 EFI 2006 Arctic Cat Sabercat 500 EFI LX 2002-2006 Arctic Cat Z 570 2004-2005 Arctic Cat Sabercat 500 LX 2004-2005 Arctic Cat Sabercat 500 2004-2005 Arctic Cat Sabercat 600 EFI 2004-2005 Arctic Cat Sabercat 600 EFI EXT 2002-2005 Arctic Cat Pantera 550 2004-2005 Arctic Cat Pantera 600 EFI 2005 Arctic Cat AC 440 Sno Pro Modified 2001-2004 Arctic Cat Mountain Cat 600 EFI 2002-2004 Arctic Cat Mountain Cat 570 2003-2004 Arctic Cat Firecat 500 Sno Pro 2004 Arctic Cat Firecat 600 2004 Arctic Cat Firecat 600 EFI 2004 Arctic Cat Firecat 600 EFI Sno Pro 2004 Arctic Cat Sabercat 600 LX 2004 Arctic Cat Sabercat 600 2000-2003 Arctic Cat ZL 550 ESR 2001-2003 Arctic Cat ZL 600 EFI ESR 1999-2003 Arctic Cat ZL 600 EFI 2002-2003 Arctic Cat ZL 600 EFI SS 2002-2003 Arctic Cat ZL 600 EFI SS ESR 2002-2003 Arctic Cat Z 570 ESR 2001-2003 Arctic Cat ZL 550 2003 Arctic Cat Panther 370 R 2002-2003 Arctic Cat Panther 570 ESR 2002-2003 Arctic Cat Pantera 600 EFI ESR 2002 Arctic Cat 4-Stroke Trail 2002 Arctic Cat 4-Stroke Touring 2002 Arctic Cat Mountain Cat 500 2002 Arctic Cat Panther 570 R 1998-2002 Arctic Cat ZL 500 2002 Arctic Cat Z 570 SS 1998-2002 Arctic Cat ZR 500 1998-2002 Arctic Cat ZR 600 1998-200