Air-Zenith AZ 80A Relay 80 amp Bosch style 4 prong

VIA10003 Viair Medium Duty On Board Air System (1) 2.5 Gallon Viair Air Tank (1) 325C model Viair Air Compressor (1) 1/4″ NPT Quick Connect Coupler (M) (1) Dash Panel Gauge with ON/OFF Switch (1) Pressure Switch with Relay (110 PSI on, 150 PSI off) (1) Reducer (1/8″ NPT F to 1/4″ NPT M) (1) 1/4″ NPT 175 PSI Safety Valve (1) 1/4″ Drain Cock (1) 1/4″ NPT Compression Fittings (1) 4-inch Strip of Continuous Grommet Material (1) 20ft. 12 Gauge Wire with Inline Fuse Holder