Description
Graves Motorsports Smog Block Off Plates for Aprilia RSV4 + Tuono models. Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the valve cover used by the air injection system (a.k.a smog pumps or AIS). Sold as 2 plates shown and 1 cap. This product is intended for closed course competition use only. Use of this product for any other purpose is strictly prohibited.
