K&N Oil Filter - Chrome (HF172)K&N Powersports oil filters contain a modern synthetic filter media, designed for ultimate flow with less pressure drop, yet engineered for outstanding filtration. K&N Powersports 'spin on' oil filters feature a heavy duty metal can. Most of these have a 17 mm nut affixed onto the end that allows for easy removal. The 17 mm nut is crossed drilled so racers can safety wire the filter to their bike. Features: O E replacement oil filters for most cars,