An on-board air system should be one of the first modifications made to any vehicle that will see dirt or gravel roads. Introducing the all-in-one compressor kit with everything you need for installation. This kit comes with a single-motor (CKMA12) ARB Compressor. This single-motor compressor kit is perfect for inflating up to a 35 in. tire and activating ARB Air Locker(TM) s(R).