• Yamaha YZF-R3 Emission Block off Plate

Kawasaki Ninja EX400 Emission Block Off Plate 2018/2020

(1 customer review)
$29.99 $24.99
5.00 out of 5 based on 1 customer rating

If you are using your motorcycle on a closed course (racing, track days, etc.) you will want to remove all unnecessary equipment from your bike for reduced weight and ease of maintenance

76 in stock


400 Emission Block off Plate:Spears Racing Smog Block Off  plate is designed for Close Course Racing.

Spears Racing 400 Emission Block off Plate are designed to seal off the ports on the valve cover used by the air injection system (a.k.a smog pumps or AIS). The air induction system (AIS) burns unburned exhaust gases by injecting fresh air (secondary air) into the exhaust port, reducing the emission of hydrocarbons. Once these are capped off the air injection system can be safely removed. These Smog Block Off Plates are CNC’ed billet aluminum and feature the Spears Racing logo. (Stainless Steel Bolts, rubber plugs are included)


Weight .5 lbs

1 review for Kawasaki Ninja EX400 Emission Block Off Plate 2018/2020

  1. Adam Faussett

    Super quick, no more looking for the right size plugs to fill the holes.

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