1986-1989 Honda TRX350/D Fourtrax 4x4/Foreman 4x4 ATV Oil Filter Exceeds O.E.M. Standards for Filtration and Service Life High Quality Materials Allow for Use with Standard and Synthetic Oils Low Internal Resistance Allows for Maximum Oil Flow Internal Check Valve Prevents Oil Drain and Dry Starts Compatibility: 1986-1989 Honda TRX350/D Fourtrax 4x4/Foreman 4x4