BMR's TCC010 transmission conversion crossmember lets 1998–2002 LS1-equipped F-Body vehicles accept a TH400 automatic by replacing the factory stamped crossmember with a fabricated tubular unit. Built from 1.25-inch DOM tubing and CNC-formed plate, it improves strength, reduces flex, and often relocates the torque-arm mount to provide a more secure and repeatable drivetrain mounting solution for street and competition use.
BMR 98-02 4th Gen F-Body Torque Arm Relocation Crossmember TH400 LS1 - Black Hammertone