TST Emission Block Off Kit for Kawasaki Ninja 400 / Z400 / Ninja 500

The TST Emission Block Off Kit enables you to remove the air induction system (AIS) from your Kawasaki engine and seal the holes left behind. With the AIS removed you will be able to get an accurate air/fuel ratio tune and keep exhaust popping to a minimum, not to mention save a little weight and decrease engine clutter.

Applications:Kawasaki Ninja 400 | 2018, 2019, 2020, 2021, 2022, 2023Kawasaki Z400 | 2019, 2020, 2021, 2022, 2023Kawasaki Ninja 500 / Ninja 500 SE | 2024, 2025

This product is part of our Worx Program!

Features

• Enables accurate air/fuel ratio tuning
• Smog block off plate features a durable black anodized finish
• Features laser engraved TST logo
• Manufactured from CNC machined billet aluminum
• Removes bulky AIS system and seals inlet ports
• Includes stainless steel installation hardware and rubber plug
• Also includes PAIR AIS Eliminator Circuit to prevent your Kawasaki from displaying error codes while eliminating the valve circuitry.
• For race applications only

Description

If you're looking to drop some weight from your Kawasaki Ninja 400, Z400, or Ninja 500 and help get the most accurate air / fuel tune, ditching the air induction system is the right move. This emissions block off plate caps the AIS system to prevent uncontrolled secondary airflow and enabling you to accurately fine tune your Kawasaki. We include everything you need to accurately and correctly remove the system. We include the CNC machined block off plate which features a durable black anodized finish, rubber plug, and PAIR AIS Eliminator Circuit plug which prevents your Kawasaki from displaying errors. All of these components create an easy to use kit that completely removes your stock Kawasaki AIS system.

Please note this item is for race applications only and may not comply with the laws and regulations in your area.