Amsoil’s line of high-efficiency Ea air filters utilize nanofiber technology for H-D models ranging from ’88 to ’06, including motorcycles equipped with S&S carburetors and cleaner housings. Ea motorcycle air filters are made from a material that incorporates a special grade cellulose media with nanofiber technology. This cleanable media provides four years of service life, higher capacity of fine dusts, excellent flow characteristics, reduced engine wear, and certified OEM fitment. Overall with the Amsoil Ea motorcycle air filter, the three critical benchmarks of efficiency, flow, and capacity are reached.