You are buying (1) Brand New Maintenance Tune Up KitKit Includes: (1) Air Filter (1) Quart SAE 10W-30 4-Cycle Oil (1) Spark PlugFits Models:Fits Honda GX110 and GX120 Cyclones and GX140 GX160 GX200 3.5 thru 6.5 HP enginesReplaces OEM Part Numbers:Air Filter: 08170-ZE1-820, 17210-Z4M-821, 17210-ZE1-505, 17210-ZE1-507, 17210-ZE1-517, 17210-ZE1-820, 17210-ZE1-821, 17210-ZE1-822Spark Plug: 08983-999-000, 490-250-0009, 98079-56145, 98079-56846, 98079-56855, 4008, 7131, 7333, BP6ES, BPR6ES