K & N Oil Filter KN-631 Scorpion Derby Cover yet adds little restriction to

yet adds little restriction to the airflow of your filter

See image below for bike listings in 100mm and 108mm - This product is only for 100mm fitment bikes)

Can be opened

The big tube step header is designed for large engines

K & N Oil Filter KN-631 Scorpion Derby Cover yet adds little restriction toK&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oils A large filter media provides high flow rates and outstanding oil filtration to keep your motor running clean and smooth Uniform pleated synthetic filter media provides high capacity and outstanding filtration Synthetic Media allows for the higher flow rates associated with synthetic and synthetic