M139 WMI Kit

SKU: 01-139-02376-2 Categorías: ,




Water/Methanol Injection was originally used to reduce knock while increasing power and performance in aircraft engines and eventually came to be used in the motorsport industry where it was found to have substantial benefits on turbocharged engines. The Weistec Water-Methanol Injection System provides substantial cooling and knock prevention benefits for the M139 engine helping improve consistency and performance. The combination of the cooling effects of methanol and the knock resistance of water result in significant gains (through improved cooling and octane) in horsepower and torque.


Weistec has engineered and manufactured many of the components of this system to ensure a simple and straight forward installation that a universal kit simply lacks. This system is a complete bolt on system that can be installed without any guess work or custom fabrication. The gains in performance paired with its consistency, makes this an essential upgrade for the M139 engine.


Key Features:

  • Reduced Intake Air Temperatures
  • Increased Knock/Detonation Resistance
  • 20-80 HP Gain*
  • 60-61 Aluminum charge pipe wtih intergraded injector ports
  • Vacuum/Boost Adapter
  • Water/Methanol Controller with built in MAP sensor
  • Weistec CNC Machined Injectior Bodies with built in check valves
  • Small, Medium and Large Quantity Injection Nozzles Included for a wide range of configuration
  • Tank with Integrated Level Sensor (actual tank my vary from images)
  • Designed for 50/50 Water and Methanol Mixture
  • Compatible with Stock, W.3, and W.4 Turbochargers
  • All hardware and gaskets are included

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