The Dual VMS air compressors are the core components of a system, sold as pairs to give you the flexibility to build your onboard air system however you'd like. These compressors-only options are also an ideal choice for those who need to upgrade their compressors or complete their build. Each kit comes with air intake filters, mounting hardware, and PTFE leader hoses wrapped in stainless braid. Single Configuration is also available.444C (200 PSI): Ideal for tire inflation management, air suspension, and general needs where 200PSI is needed. Reliable and affordable. 100% Duty Cycle @ 100PSI.Note: Use thread sealant for proper installation. Teflon tape is not recommended. Properly sealed, recommended torque is 12 to 15 ft. lbs.200 PSI / 3.53 CFM Included Parts:- (2) 444C Chrome Compressors w/ 1/4" NPT Leader Hoses and Check Valves- Intercooler Head (Patents Pending)- (2) Air Filter Assemblies- (2) Remote Mount Brackets- (2) Sets of Remote Mount Fittings- (2) Sets of Spare Air Filter Elements- (8) Sets of Nuts, Bolts, Washers and Lock Washers- (2) Stainless Steel Braided Leader Hoses with Inline Check Valve- (6) Airline ClipsOptional Upgrade to Compressor Wiring kit:Add the wiring kit to your order and DOUBLE the factory warranty. Our wiring kit includes everything we use here in our shop to wiring your compressors properly and keep your installation clean and tidy. The kit uses marine grade tinned 4AWG (dual compressor) or 6AWG (single compressor) and comes with all the hangers, wire loom, hardware 80 amp relay and fuse blocks. All of your connections are already pre-terminated and ready for installation. It is truly an all in one box with everything you need and we are so confident with this kit that we will double your factory warranty on the compressors if you add them to your order.