Shock, Rear Track, Part 7042058 is an OEM service part. Designed for your specific Polaris vehicle for optimal performance and adjustability while Maintaining the highest level of durability and quality through lab and field validation testing. Spend less time working on vehicle Maintenance and more time out riding. We've been a leader in the snowmobile industry for nearly 70 years, don't settle for anything less than OEM quality. This Accessory is Designed to Fit the Following: Snowmobiles , 2010 TRAIL RMK ES , 2009 800 SWITCHBACK , 2007-2010, 2004-2005 TRAIL RMK , 2006 Trail RMK , 2004 800 CLASSIC , 2003-2005 800 RMK 159 , 2003-2005 700 RMK 151 , 2003-2005 600 RMK 144 , 2003 800 RMK 144 F&O , 2003 700 RMK 151 F/O , 2002-2005 800 RMK 151 , 2002-2005 800 RMK 144 , 2002-2005 700 RMK 144 , 2002 INDY 700 136 F/O , 2002 INDY 700 136 , 2002 800 RMK 151 F/O , 2002 600 RMK 136