Graves motorsports smog block off plate ninja 650/er 650/z650 Kickstarter Crank Bushing Kit When used with the optional

When used with the optional header set

Features a rubber seal/cap to keep moisture out

Includes hook-and-loop fastener for positioning front if needed

Hardened steel with splines

Plugs have a unique look with their black ceramic body and bold red logo/script

Graves motorsports smog block off plate ninja 650/er 650/z650 Kickstarter Crank Bushing Kit When used with the optionalGraves Motorsports Smog Block Off Plate for Kawasaki Ninja 650 ER 650 Z650. 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). This product is intended for closed course competition use only. Use of this product for any other purpose is strictly prohibited. Fitment: Kawasaki Ninja 650 ER 650 Z650 2017 + The air induction system (AIS) burns