BMR's TCC010 transmission conversion crossmember for 1998–2002 LS1 F-Body cars is designed to accept a TH400 automatic and replace the fragile factory crossmember with heavy-duty tubular construction. The upgraded mount improves durability and fitment during swaps, increases drivetrain repeatability, and is intended for street, drag, and handling applications while simplifying installation and protecting the transmission.
BMR 98-02 4th Gen F-Body Torque Arm Relocation Crossmember TH400 LS1 - Red