Whiteline Pitch Stop Mount | 2002-2023 Subaru WRX and 2004-2021 Subaru WRX STI (KBR39)

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Subaru Impreza (incl WRX STi) Whiteline Pitch Stop Mount

When accelerating hard in your Subaru Impreza (WRX and STI) the plastic factory pitch stop, which utilizes rubber bushings, gets put to the limit causing the drivetrain to twist from front to back. This movement causes slop and shudder in the drivetrain. The Whiteline Pitch Stop Mount for all Impreza (WRX and STI) models uses T-6061 Billet Aluminum and their world renowned Whiteline Polyurethane Bushings to increase the stiffness of the pitch stop mount while providing reduced NVH (which is what Whiteline Polyurethane Bushings are known for).

By reducing the twisting motion on the drivetrain you are able to put more power down to the road by harnessing the lost energy caused by the stock Pitch Stop Mount. The positive feedback and increased power you receive at the price they offer this Pitch Stop Mount, make this one of the best bang for your buck purchases you can make for your Subaru Impreza (WRX and STI).


  • Billet 6061-T6 aluminum construction
  • Low compliance bushings
  • Replaces factory plastic/rubber pitch stop


  • 1993 - 2012 Subaru Impreza
  • 2002 - 2014 Subaru Impreza WRX
  • 2004 - 2014 Subaru Impreza WRX STi
  • 2015 - 2022 Subaru WRX
  • 2015 - 2021 Subaru WRX STi


  • Faster, more responsive delivery of power
  • Reduces the twisting motion on the drivetrain

What's in the box?

  • 1 - Whiteline Pitch stop Mount

Customer Reviews

Based on 1 review

Solid mount. Polly bushings are a huge upgrade can tell the difference over the stock mount. Super easy install.