Kolpin Universal Independent Rear Suspension (IRS) Lockout - 85200 Eliminate rear suspension sag when under load with our heavy duty lockout for independent rear suspension ATV models Highly recommended for use with the Kolpin DirtWorks 3-Point System or for any heavy load such as pulling a boat, trailer, ice house or even during ATV pulls Fits most ATVs with Independent Rear Suspension but please review our fit list for model specifics