THIS ENGINE TUNE UP KIT INCLUDES AN OIL FILTER, AIR AND PRE FILTER, TWO SPARK PLUGS AND TWO QUARTS OF KINETIX 10W-40 ENGINE OIL. THE OIL FILTER REPLACES PART NUMBERS 49065-2057, 49065-2062, 49065-2071, 49065-2078, 49065-2084, 49065-7010, THE SPARK PLUGS REPLACE RCJ8Y, THE AIR AND PRE FILTER REPLACE 11013-7002, 11013-7001, 11013-7033, 11013-7011 AND THE KINETIX 10W-40 ENGINE OIL REPLACES 99969-6296. FITS MODELS FH381V, FH430V, FH451V, FH500V, FH531V, FH541V AND FH580V ENGINES. Warning:Lead-Nickel-Cancer and Reproductive Harm