# UMI Performance 82-92 GM F-Body Torque Arm Relocation Kit- TH400 Installing a TH400 (4” tail shaft) automatic transmission into your 1982-1992 Camaro or Firebird just got easier. This transmission cross-member with integrated torque arm mount features the correct provisions for mounting the TH400 transmission while still allowing the use of a factory style torque arm. The built in torque arm mount will work with virtually any stock style aftermarket torque arm as well as the factory torque arm and features instant center adjustment by moving the front of the torque arm up or down. This unit is built using DOM mild steel tubing, 0.188” mild steel mounting plates and includes all appropriate hardware needed for the installation. The torque arm mount is machined from 0.250” thick mild steel and features a new clam shell for appropriately attaching the torque arm to the new cross member. There is no need to purchase any other torque arm brackets when using this kit. This Part Fits: Year Make Model Submodel 1988 Chevrolet Camaro Base 1982-1986 Chevrolet Camaro Berlinetta 1985-1990 Chevrolet Camaro Iroc-Z 1987 Chevrolet Camaro LT 1989-1992 Chevrolet Camaro RS 1992 Chevrolet Camaro RS Heritage Edition 1982-1987 Chevrolet Camaro Sport 1982-1987,1991-1992 Chevrolet Camaro Z28 1992 Chevrolet Camaro Z28 Heritage Edition 1982 Chevrolet Camaro Z28 Indianapolis 500 Pace Car 1982-1992 Pontiac Firebird Base 1989-1992 Pontiac Firebird Formula 1982-1986 Pontiac Firebird S/E 1982-1992 Pontiac Firebird Trans Am 1989-1992 Pontiac Firebird Trans Am GTA 1989 Pontiac Firebird Trans Am GTA SE ## Details - **Price:** 394.58 CAD - **Vendor:** UMI Performance - **Type:** Crossmembers ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 394.58 CAD | In stock | ## Images - Photo - Primary - User 1 - User 2 --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/umi-performance-82-92-gm-f-body-torque-arm-relocation-kit-th400-1) > Updated: 2026-07-01