Engine tune-up kit for Kawasaki engines FH601V[19hp]/FH641V[21hp]/FH661V[22hp]/FH680V[23hp]/FH721V[25hp]. Kit includes High efficiency oil filter,two stage air filter,OEM-specified spark plug,K-Tech oil.[internally vented carburetors only] OEM applications Great Dane,Toro,Exmark,Country Clipper,Dixon,CTP,Husqvarna,Scag,Ransome,Venture,Wright,Encore,Ariens,Ferris,MTD,Shivvers,Excel Hustler,Snapper,Auburn,Bush Hog and others.