Mercury Tow n Stow Cover. Fits 3.0L Pro XS Optimax. Part # MERC8404. Designed for towing and storage. Simple to clean - just wash with fresh water. Felt lined to prevent scratching. Leg strap for added security for towing. Dash stops cover from blowing off. Covers motor, cal, and top of leg. 95% water proof. 5% breathable. UV Stable. 660 breaking strength. Non abrasive polyester soft backing. List price $216.95. Our price $199 plus shipping.