Gear Vendors Automatic 3-Speed TH 400 4 Tailhousing. Small block and Big block cars. Includes: 3DFS400A 400 Flat Sump O/D Kit, AC Slip 1Z1000 ProMod High HP Unit ProMod Adapter 3S0044 Speedo Sleeve & Gear Assy 44T. The item "Gear Vendors 190673 Automatic 3-Speed TH 400 4 Tailhousing with ProMod High HP" is in sale since Tuesday, October 19, 2021.This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Transmission & Drivetrain\Automatic Transmission Parts". The seller is "racepartsdirect" and is located in Perryville, Missouri. This item can be shipped to United States, Canada.