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Manufactured by Namura Kit includes piston, rings, pin, clips (you get exactly what is pictured) Cast piston has super-high silicone content for additional strength Piston skirts are Molybdenium Teflon coated to minimize resistance/wear and provide extended life Piston dome is anodized for superior heat resistance and longer lifespan Kit is for standard bore size - 87.90mm Piston is 87.89mm Made in Taiwan Fits: 1997 Polaris Magnum 425 2x4 1997 Polaris Magnum 425 4x4 1997 Polaris Magnum 425 6x6 1998 Polaris Magnum 425 2x4 1998 Polaris Magnum 425 4x4 2000 Polaris Xpedition 425 4x4 2001 Polaris Sportsman 400 4x4 2001 Polaris Xpedition 425 4x4 2002 Polaris Sportsman 400 4x4 2002 Polaris Xpedition 425 4x4 2003 Polaris Sportsman 400 4x4 2004 Polaris Sportsman 400 4x4 2004 Polaris Ranger 425 2x4 2005 Polaris Ranger 425 2x4 2005 Polaris Sportsman 400 4x4 2006 Polaris Sportsman 450 4x4 2007 Polaris Sportsman 450 4x4 2008 Polaris Sportsman 400 HO 4x4 2009 Polaris Sportsman 400 HO 4x4 2010 Polaris Ranger 400 4x4 HO 2010 Polaris Sportsman 400 HO 4X4 2011 Polaris Ranger 400 4x4 HO 2011 Polaris Sportsman 400 HO 4x4 2012 Polaris Ranger 400 4x4 2012 Polaris Sportsman 400 HO 4x4 2013 Polaris Ranger 400 Midsize 2013 Polaris Sportsman 400 HO 4x4 2014 Polaris Ranger 400 4x4 2014 Polaris Sportsman 400 HO 4x4

Bore: 87.89mm<br>Sizing: Standard Bore<br><br>MOS2 (made with Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures.<br> Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%.<br> Anodized Domes - Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons.<br> Hypereutectic Casting Process - Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures.<br><br>This item fits the following vehicle applications:<br>compatible with Polaris Magnum 425 2x4 1995-1998<br>compatible with Polaris Magnum 425 4x4 1995-1998<br>compatible with Polaris Magnum 425 6x6 1996-1997<br>compatible with Polaris Ranger 4x4 400 2010-2014<br>compatible with Polaris Sportsman 400 2001-2005<br>compatible with Polaris Sportsman 400 HO 2008-2014<br>compatible with Polaris Sportsman 400 HO South Edition 2013-2014<br>compatible with Polaris Sportsman 450 2006-2007<br>compatible with Polaris Xpedition 425 2000-2002<br>