Features:
- 5-8% power range
- Fully adjustable
- Increases power and drivability
- For carbureted vehicles only

Tested to Perfection
Dynojet's jet kits are designed to upgrade every part of your carburetors air/fuel ratio with included step-by-step instructions for whatever you need upgraded. From your fuel needle to the main air jet, Dynojet has extensively tested every component, which means that you'll see results as soon as you rev the engine.

Smoother Power
These jet kits give some extreme upgrades in a small package. They increase power and smoothness throughout the entire rev range while maintaining fuel economy. There are multiple kit options from stock commuter motorcycles to race-ready bikes and everything in between.

Fitments:
- Suzuki
- DR-Z400S 2019, 2020, 2021, 2022
- DR-Z400SM 2019, 2020, 2021, 2022
Get improved driveability, more power and better throttle response with Dynojet's Jet Kit for the 2019-2021 Suzuki DR-Z400S.
Engineered to give you peak performance at any altitude, this Jet Kit contains the necessary components that allow you to properly tune to popular aftermarket exhaust systems. For your 2019-2021 Suzuki DR-Z400S, this Jet Kit allows you to increase power in its Stage 2 variant.Our Jet Kits - which help you optimize your motorcycle's air/fuel ratio - are one of the best-selling options on the market to really take control of your bike's power.Whether your bike is stock or modified, Jet Kits can tune your air/fuel ratio to perfection with immediate results. With an increased power output of 5-8% (in its Stage 2 variant) and a fully adjustable design, kits are the perfect companion to any rider.