Seller notes

You are buying a tool that is used to air check the driving and holding clutches and both bands in any turbo 4L80E or 4L85E GM transmission.The tool is made of 1/4" thick aluminum (as of 6/6/2024)Comes with flange head bolts for years of trouble free serviceIt will NOT fit the 3L80 or Turbo 400 (non-electronic) series It bolts down in place of the valve body and allows the transmission rebuilder to apply air pressure into the transmission once it's assembled. This is a good double check and an e...

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