K&N premium oil filters for powersports vehicles utilize an innovative, highly efficient synthetic-blend filtration media designed to be compatible with synthetic, petroleum-based, and blended oils, including the high concentrations of synthetic racing oils. The heavy-duty canister is engineered to be exceptionally durable, and a 17mm welded hex nut can be used for quick and easy filter removal. Engineered to support exceptionally high flow rates while providing outstanding protection from harmful engine contaminants, each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers, and is protected by the K&N 1-Year Limited Warranty. Vehicle Fitment: 1982-1986 HARLEY DAVIDSON FXWG Wide Glide; 1984-1985 HARLEY DAVIDSON FXEF Super Glide Fat Bob; 1982-1984 HARLEY DAVIDSON FLH Electra Glide; 1984 HARLEY DAVIDSON FLHS; 1982-1984 HARLEY DAVIDSON FXE Super Glide; 1980-1984 HARLEY DAVIDSON XLH1100 Sportster; 1980-1984 HARLEY DAVIDSON XLH1200 Sportster; 1980-1984 HARLEY DAVIDSON XLH883; 1980-1984 HARLEY DAVIDSON XLS1000 Roadster; 1983-1984 HARLEY DAVIDSON XLX1000; 1983 HARLEY DAVIDSON FLHS Super Glide; 1982 HARLEY DAVIDSON FLHC Electra Glide Classic; 1982 HARLEY DAVIDSON FLHS Sport Glide