The VIAIR 400C Dual Performance Value Pack is our fastest filling, highest CFM air compressor system, This kit is perfect for industrial use, air horns, off-road applications, and a great addition to any air suspension kit. The 400C Dual Performance Value Pack includes two 12-volt Stealth Black VIAIR 400C air compressors, two heavy duty 40-amp relays and an 110 PSI cut-on, 145 PSI cut-off pressure switch. Each Dual Performance Value Pack comes with remote mount filter assemblies and mounting hardware. 400C Dual Performance Value Pack: 12-Volt, 150 PSI, 4.55 CFM. Dimensions: 9? L x 4? W x 6.75? H (Each Unit) Max. Working Pressure: 150 PSI. Air Tank Size: 10.0 Gallon. VIAIR 40048 400C Dual On-Board Vehicle Air Compressors, Black. Dimensions: 9’L x 4’W x 6.75’H (Each Unit). Max Ambient Temp: +158°F, Min Ambient Temp: -40°F. Net Weight: 17.30 lbs. (2) 400C Stealth Black Air Compressors w/ Thermal Overload Protectors. (2) Air Filter Assemblies. (2) Remote Mount Brackets. (2) Sets of Remote Mount Fittings. (2) Sets of Spare Air Filter Elements. (2) Leader Hose Clips. (6) Air Line Clips with Included Hardware. (8) Sets of Nuts, Bolts, Washers and Lock Washers. (1) One Heavy Duty Pressure Switch (110 PSI on, 145 PSI off). (2) Stainless Steel Braided Leader Hoses with Inline Check Valve. Air Line (For Remote Mount Filter Installation). Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years.