Guaranteed to stop all seal leaks or your money back. Renews worn rack & pinions. Controls slack, squeals hard spots & tight steering. Hi-performance. Catch all your Lucas Motorsports programming on MAV TV. Guarantee: Lucas Power Steering Stop Leak, when used as directed, is guaranteed to eliminate all squeals, seal leaks or rough spots in your power steering or your money back. Limit two bottles. A blend of oils and additives specially formulated to stop problems in power steering units. Compatible with all power steering fluids. www.LucasOil.com. Made in USA.