The Brake Drum/Hub 4-Lug (Gas) is used on 1992-current E-Z-GO 4-Cycle Vehicles. This hub/drum will not fit on the E-Z-GO 800 & 900 Series heavy-duty, gas powered carriers, or the ST 350, ST 480 or ST 4x4 trucks with hydraulic brakes. Used on 1992-current E-Z-GO 4-Cycle Gas Vehicles, including 4 Caddy, TXT 2+2 & Clays Car, 804, Tuff 1, the WorkHorse & MPT (Multi-Purpose Truck) models 800 (4-Cycle Gas only) & the 1200, can also be used on 48V Electric MPT 1000 and 4/6-Passenger Shuttle Vehicles;�Also�used on Cushman Commander Gas 280 & 2200 Model trucks, the Jacobson 1110 Gas truck and the Brouwer LX1200 truck; This item replaces part number 21807G1P. Has a 1 5/16-Inch center hole with an internal 30-tooth -Inchstar-Inch spline to interface with the axle. It is held in place by a castellated nut (3/4-Inch x 16tpi) and a thick (.118-Inch) flat washer. All Electric models and the earlier 2-cycle gas hub/drums have a smaller hole and are not interchangeable with this hub/drum.