High Performace Gas Shocks for ATV/UTV Gas Shocks meet OEM standards or higher, offer great reliability. PWC Engine brings Higher for an awesome price! This Yamaha Rear Gas Shock will fit all models Rhino 450 2006-2009 ATV Part# 183-04409. Includes – S, R * 10% stiffer springs provide a better ride and higher load capacity * Works great on the front to better support your snowplow and on the rear when hauling cargo. * Items Included where applicable: S=Spring, C=Cam, R=Retainer, B=Bumper, P=Protector Please be advised: Be sure of your application and check all OE Manufacturer part numbers provided if any. If you are having any doubts in application for the item you need, please contact us with your Year/Make/Model for the application and we will provide you with a link to the correct item if it is available for your machine.We can help you with avoiding an unnecessary return. Due to application and environment, Gas Shocks are warrantied against defects for 14 days. Must be returned in original packaging and be complete for a full refund. All items must be returned within 14 business days from date of shipment from us. All returns are subject to a 20% restocking fee. At Pwc Engine com we offer aftermarket parts for top name brands. Amazon our website carry parts for all the Powersports and Marine industry.