UNI AIR FILTERS. Uni air filters are unsurpassed in airflow, dirt stopping and overall performance. The produce more horsepower and more torque than any other air filter. Uni"s revolutionary two stage air filter is the only filter that comes apart for maximum airflow and ultimate cleaning. To complete the winning combination, apply Uni oil and Uni cleaner. Additonal Fitment:1982-1982 KAWASAKI KDX 4501983-1983 KAWASAKI KX 1251983-1983 KAWASAKI KX 5001982-1982 KAWASAKI KX 250