Description
Graves Motorsports Smog Block Off Plate for Yamaha YZF-R3. 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).
Once this is capped off the air injection system can be safely removed. These Smog Block Off Plates are made from CNC’ed billet aluminum and feature the Graves Motorsports “G” logo.
How to remove the emissions systems and install block off plates on the Yamaha R3
Kit includes:
(1) Graves Motorsports Smog Block Off Plate
(1) 1/2″ EPDM Rubber Vacuum Cap
This kit is for closed course race use only.
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