Love Jugs Slot Design Engine Cooling Fan For Harley Features Powerful and effective cooling system Simple installation can be completed in a few minutes with included instructions Weld free, aircraft quality stainless steel Product that will never blister, chip, rust or suffer from vibration fatigue Fans ar quiet and 100 waterproof Provides the needed air flow on the hottest area of your engine's cylinders 5-1/16 diameter fans 256 cfm 3lbs 2.1oz 1-year manufacturer's Warranty