2020 Kawasaki Ninja 400 Cylinder Heads
- Graves Motorsports®Smog Block Off PlatesKawasaki EX400 Ninja 400 2020, Smog Block Off Plates by Graves Motorsports®. The Graves Motorsports Smog Block Off Plate is designed to seal off the port on the valve cover used by the air injection system (a.k.a smog pumps or AIS)....Made with innovations for the latest in qualityPerfect for motorcycle applications$28.49