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AAM Competition 350Z Valve Body Upgrade

The factory 350Z automatic transmission is very stout and more than capable of holding the power output of a stock VQ35. However, once the engine is heavily modified, the transmission can begin to experience problems shifting smoothly. Our AAM Competition 350Z Valve Body Upgrade helps to strengthen the stock automatic transmission, making shifts more powerful, responsive and reliable. Gear changes from 1st to 2nd, 2nd to 3rd, and 3rd to 4th are much more firm and responsive. This specific upgrade has proven itself in vehicles with up to 500whp.
Was: $995.00
Sale: $899.99
Save: 10%
Save: $95.01


Customer's valve body must be removed in order to perform this upgrade. Instructions for removal of your valve body will be sent to you along with the correct packaging material once the valve body upgrade is purchased. It is absolutely critical that the stock valve body is packaged with the utmost care and safety. When the valve body arrives to us, we can have the upgrade completed and ready to ship within 3 business days.


2003-2008 Nissan 350Z 5A/T


  • AAM35V-VBU
  • AAM35V-VBU
  • AAM Competition
  • New


Shipping Information

  • Item Requires Shipping
  • 12.0 lbs.


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Made In U.S.A.

Our Products are proudly made and assembled in the U.S.A.


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