Hard Parts

GM TH400 HD Intermediate Snap Ring Support by Adapt-A-Case

GM Turbo 400 HD Intermediate Snap Ring Support Made in the USA by Adapt-A-Case Gotta love it!  Buy the good clutches, a fancy trans-brake valve body, the HD sprags, all the stuff you can think of to make sure this one won't break.  A couple of...

TH400 4L80E Forward Hub

This is an OEM forward hub for GM Turbo 400 and 4L80E automatic transmission that has been cleaned and inspected by our technicans to ensure the forward hub you receive is ready to go into your TH400 or 4L80E transmission rebuild. 

TH400|4L80E Direct Clutch Hub - OEM

This is an OEM GM 4L80E and Turbo 400 direct clutch hub, which has been cleaned and inspected to ensure it is 100% ready to use in your transmission rebuild. 

GM Universal Dust Cover (Plastic)

Made in U.S.ANew Fitz-all by TeckPack  Universal Transmission dust cover.1 - Universal Dust Cover1 - Mounting HardwareFits over 90% of all GM rear wheel drive automatic transmissions, 1965 to 1995 car and light duty truck. Fits: 200C,...

TH400 4L80E Direct Drum Sprag - 34-Element BorgWarner

This is a NEW direct drum sprag for GM's Turbo 400 and 4L80E automatic transmissions made by Borg Warner.  There are 34-elements on this model sprag.    

TH400 Direct Clutch Drum

Remanufactured GM Turbo 400 Direct Clutch Drum.  

GM Universal Transmission Mount - RWD - 4L60E 700R4 4L80E TH350 TH400

GM Universal 2000 Transmission Mount This is a common mount found in many rear wheel drive General Motors applications.  Comes with new mounting bolt. 4L60E 700R4 4L80E TH350 TH400