Quick view Ridetech Ridetech 6 Gallon High Flow Big Red Compressor Leveling System Analog - 30154700 Compare $2,120.99 BigRed Analog 4 way air suspension control system with 5 gallon tank. Includes 2 air compressors, 5 gallon tank, BigRed electric valve, 3/8" airline, fittings and a control panel with 4 electric switches and 2 dual needle gauges. Add to Cart Add to Cart