Graves motorsports smog block off plates r1 r6 fz10 mt10 Lo-Boy Shotgun Exhaust System See bike fitments for the

See bike fitments for the different types of setups below

0 lbs saves 11

Custom shaped to perfectly fit each bike model

The body is machined to allow the exact amount of oil exiting the body to minimize over oiling of the valve train area at high rpm

Graves motorsports smog block off plates r1 r6 fz10 mt10 Lo-Boy Shotgun Exhaust System See bike fitments for theGraves Motorsports Smog Block Off Plates for Yamaha model Sport Bikes. 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 set shown. This product is intended for closed course competition use only. Use of this product for any other purpose is strictly prohibited. Fitment: Yamaha R1 R1M R1S 2004 2019 R6 2003 2019 FZ 10 2017 MT 10 2018 2019