The Kuryakyn Alley Cat L.E.D. Fuel & Battery Gauge (7383) throws a nod toward retro muscle car styling.They allow you to easily monitor voltage and fuel levels with the illuminated multi-colored L.E.D.s that produce a highly visible display and provide the perfect complement to the Kuryakyn Alley Cat Gas Cap (P/Ns 7382, 7384), Alley Cat Air Cleaners and Air Cleaner Cover (P/N 9438, 9439), all sold separately. The gloss black die cast aluminum gauge measures 3" in diameter. Includes (1) Alley Cat Gauge, (1) Hardware Kit containing: (1) Red Adapter Disc— ‘08-Later, (1) Green Adapter Disc ‘07-Earlier, (3) #6-32 Hex Nuts, (3) #6 External Tooth Lock Washers, (1) 4-Pin Connector (Black), (1) 2-Pin Connector (Black); suggested tools for smooth installation: Needle nose pliers; socket set and ratchet; set of combination wrenches, year– and model-specific service manual, electrical tape, bright flashlight. This Kuryakyn part is most compatible with Harley: Replaces Stock Tank Mounted (not center console mounted) Fuel Gauge on '94-'19 Road Kings, '00-'17 Softails, '91-'17 Dynas. '15-'19 Freewheeler & '88-'94 FXR Models.