STM High Pressure Throttle Body Shaft Seals | 2003-2006 Mitsubishi Evo 8/9, 1991-1999 Mitsubishi 3000GT, and 1991-1999 Mitsubishi Eclipse GST/GSX (STM-TB-SEALS)

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Add Throttle Body Gasket
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$24.95

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2003-2006 Mitsubishi Evo 8/9, 1991-1999 Mitsubishi 3000GT, and 1991-1999 Mitsubishi Eclipse GST/GSX High Pressure Throttle Body Shaft Seals by STM

When these seals wear out, they can cause leaks, sticking, and jamming of the throttle plate. We tested a car on our dyno at STM with OEM leaky seals... When the seals were replaced, we picked up 20 whp and 20 ft pounds! Incredible Boost Leak!

Features

  • High grade seals
  • No throttle body boost leaks!

Applications

  • 2003-2006 Mitsubishi Evolution 8/9
  • 1991-1999 Mitsubishi 3000GT (V6 Twin)
  • 1991-1999 Mitsubishi Eclipse GST (1G/2G)
  • 1991-1999 Mitsubishi Eclipse GSX (1G/2G)
  • 1991-1998 Eagle Talon TSi (1G/2G)
  • 1991-1994 Plymouth Laser Turbo (1G)
  • 1991-1999 Dodge Stealth (V6 Twin)

What's in the Box?

  • 2 - Shaft Seals

Warranty

  • STM Manufacturer's Warranty

Customer Reviews

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J
J.R.
Top quality

Performed a smoke test on my Evo an found the throttle body seals leaking. Replaced them with these at back to 39psi of boost! Highly recommended.

C
Collin Hammagren
Boost Leak Fix

Fixed a common boost leak on these old cars. Replaced oem ones at 160k miles. Easy install would recommend ordering a couple incase you accidentally mess up when pressing them into the throttle body.

I
Imran Zaman Khan
Couldn’t be happier

Perfect fitment. Shipping was super quick.
Fixed my long standing boost leak at the throttle.

C
Curstin Francis
TB seals

Thank you guys for the prompt delivery. I ordered these twice only because they are very delicate. The first delivery was next day and it literally was that, less than 24 hours later I had my part.

R
Rodman Brojer
Good stuffs!

Fixed leaky throttle body as advertised.