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Automaxx Transfer Case Adapter Gasket For GM TH350C, TH400, 4L60E - 5-Hole, 4WD
About this item
Doing a transmission or transfer case swap on your GM 4WD?
You'll need this adapter gasket from Automaxx.
It's designed to fit between the transmission and transfer case on setups using TH350C, TH400, and 4L60E transmissions.
It's a 5-hole pattern gasket, part number M308317.
It's a custom/performance fitment part, brand new and ready to seal that joint up tight.
No warranty, but it's a simple, essential part for your drivetrain project.
USD$ 3.00 
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