Th400 - AWD GTR / GTS-4 / Stagea Adapter Plate Conversion
Th400 - AWD GTR / GTS-4 / Stagea Adapter Plate Conversion
TH400 Adapter Plate for AWD Vehicle Conversion
This TH400 adapter plate is designed to facilitate the conversion of an AWD vehicle to a TH400 transmission setup. Please note that this listing is for the adapter plate only and does not include hardware, adapter shaft, gearbox case, or bell housing.
Key Features:
🔹 Compatibility: Works with GM TH400 & Reid TH400 gearbox cases
🔹 Fits AWD Transfer Cases: Compatible with both manual and automatic versions of the AWD transfer case
🔹 Gold Plated: Offers a durable and attractive gold finish for enhanced longevity
🔹 Custom Modification Requirements: Several modifications are required for complete installation (see below)
Modifications Required (Not Included):
- Gearbox Tunnel Massage: The rear section of the transfer case near the driver’s seat requires modification
- Custom Shifter Assembly & Fitment: A custom shifter assembly will be necessary for the conversion
- Modified Gearbox Cross Member: Requires adaptation to fit the new setup
- Modified Bell Housing or Adapter: Depending on your case (Reid or GM), modifications may be required
- Drive Shaft Modifications: Adjustments to both drive shafts are necessary for proper fitment
- Custom Speedometer Configuration: To work with the new drivetrain setup
- Built TH400 Gearbox: Ensure you have a fully built TH400 gearbox
- Custom Torque Converter & Flex Plate: Tailored for the new setup
- Reid Case: Requires an aftermarket bell housing for proper fitment
- GM Case: Modification or an adapter kit for the RB may be needed
- Custom TH400 Adapter Shaft: Required to connect the gearbox to the GTR transfer case
- Manual Transfer Case Shifter Blanking Plate: A blanking plate is necessary as the manual shifter will no longer be used
Important Notes:
- Sold as Plate Only – This listing is for the adapter plate only. It is essential to source all other components separately.
- Requires Custom Modifications – Due to the complexity of converting an AWD vehicle to a TH400, several custom parts and modifications are required (see above).
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