OEM ROLAIR K50 COMPRESSOR PUMP -WITH PULLEY BRAND NEW, STILL IN ORIGINAL BOX SPECS. 7.5 – 10. 30.33 – 40.34. The item “K50 10HP 2 STAGE AIR COMPRESSOR PUMP, ROLAIR #PMP22K50CH, K50″ is in sale since Wednesday, May 31, 2017. This item is in the category “Business & Industrial\Light Equipment & Tools\Air Compressor Parts & Accs\Other Air Compressor Parts”. The seller is “7860leigh” and is located in Chattanooga, Tennessee. This item can be shipped to United States.