BMR's transmission conversion crossmember provides a dedicated mounting solution for swapping transmissions in 1998–2002 fourth-generation F-Body vehicles. The fabricated crossmember replaces weaker stamped steel, offering a stronger, properly positioned mount for TH400 and LS1 combinations to reduce the risk of crossmember failure during swaps and improve drivetrain support for street and race applications.
BMR 98-02 4th Gen F-Body Transmission Conversion Crossmember TH400 LS1 - Black Hammertone