High-Quality Chrome Silicone Heavy-Duty Springs Are Approximately 25-30% Heavier Than Stock ISO 9001:2000 Certified Sold Individually Spring Rate: 125 Lbs. Location: Rear Only for All Models Listed Unless Otherwise NotedFits the Following Polaris Models: RZR 800 4x4 (Excludes 2010 AK Model) 2008-2010 (Front Only) SPORTSMAN 400 4x4 (Made Before 9/6/04) 2005 SPORTSMAN 450 (Made After 7/29/05) 2006-2007 SPORTSMAN 500 EFI 4x4 2006-2009 SPORTSMAN 500 HO 4x4 (Made After 7/29/05) 2005-2006, 2008 SPORTSMAN 600 4x4 (Made Before 9/6/04) 2005 SPORTSMAN 700 4x4 2005-2006 SPORTSMAN 700 EFI 4x4 2005-2007 SPORTSMAN 800 EFI 4x4 2006-2007 SPORTSMAN 800 EFI HO 4x4 2008Please Note: The Image Displayed Is Representative of the Item, but May Vary Depending on Your Specific Model.