Tial MV-S Wastegate 38mm Red w/ All Springs


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The MV-S 38mm External Wastegate will come in the red finish to provide excellent boost control. 
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Tial MV-S 38mm External Wastegate Red w/ All Springs Universal


  • Water cooling ports (not required to run) for those heavy-duty applications, three bottom pressure ports, and two top ports for boost controllers like the AMS-1000.
  • High temp NiCrFe based alloy is used for valve and 347SS valve housing will offer longer product life compared to competing designs.
  • High-temperature silicone Nomex reinforced actuator diaphragm.
  • 17-7 PH Stainless Steel actuator spring gives consistent pressure at high temperature, resist "relaxing" at a temperature to 900F (483C).
  •  Nitronic 60 Stainless Steel is used for the valve seat, and valve bushing.
  • All Stainless Steel hardware.
  • Mating weld flanges are 304L
  • Includes all of the springs so you can tune it to your cars needs without spending money on extra springs
  • Springs come pre-installed from Tial  so you will want to verify the spring settings before installation
  • Red finish
  • Includes all springs for you to reach the desired boost levels of your preference
  • Universal in fitment



The Tial MV-S 38mm External Wastegate utilizes a formula that works exceptionally to control the boost in turbocharged applications. Tial, which is highly utilized in some of the world's fastest turbocharged vehicles presents their MV-S which is their 38mm external wastegate to provide your vehicle with the best boost control. 

This wastegate has been designed with water ports for those who need additional cooling, as external wastegates can experience more heat than most components on the engine. It also features durable construction inside and outside of the wastegate including a nitronic 60 stainless steel valve seat which endures the hot exhaust gases. 

Additionally, they are available in a variety of colors to go along with the theme of your engine, and this particular wastegate will come in the red option.  

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