TUNE-UP KIT INCLUDES ONE AIR FILTER WITH PRE FILTER, ONE FUEL FILTER, ONE OIL FILTER AND TWO SPARK PLUGS. THE AIR AND PRE FILTER REPLACE PART NUMBERS 11013-7005, 11013-7009, 11013-7010, 11013-7024, 11029-7001 11029-7002, 11029-7012, 11029-7015, 11013-7027, B1AF286, 100-622, M140296, M150403, AND M150949. THE FUEL FILTER REPLACES 49019-0014, 49019-0027, 49019-7001, 49019-7005, 490190014,490190027, 490197001, 490197005, 00682500, 00873700, 21410800, 21531800, 38666, 4129, 493629, 5065, 5065H, 5065K, 691035, 695666, 531307049, 25 050 02, 25 050 02-S, 25 050 07-S 25 050 21-S, 25 050 21-S1,34279A, 34279B, 34729, 740003B, 105-8045, 108-3854, 110-9049, 5020,21534000, AND 70311. THE OIL FILTER REPLACES 49065-7010, 49065-2057, 49065-2062, 49065-2071, 49065-2078, 49065-2084, 300314, 499532, 692513, 70185, 820314, 490-201-0001, 531307388, 772079, AM101001, AM101054, AM105172, AM105555, 36262, 36563, 36961, AND 108-3842. THREAD: 3/4"-16, OD: 2 11/16", HEIGHT: 3", MICRON: 25, 9-12 PSI. THE TWO SPARK PLUGS NGK AND REPLACE BPR4ES, 6578, 92070-2112, AND 92070-7004. Warning: Lead-Nickel-Cancer and Reproductive Harm