K&N 8.5in O/S Length x 8.375in O/S Width x .75in H Ducati Replacement Air FilterK&N's high flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle. This Part Fits: Year Make Model Submodel 1987 Ducati 750 Paso Base 1997,2002 Ducati 900 Base 1998 2001 Ducati Monster 600 Base 1999 Ducati Monster 600