BMR Fabrication 1993-2002 Camaro and Firebird - Slip Yoke - TH400, M6, 4L80E slip yoke Don't skimp when it comes to a bulletproof drivetrain. If you have upgraded your stock rearend, you need to upgrade the stock driveshaft as well. Multiple variations available including fitments for stock or aftermarket rearends. Provided pre-balanced with new u-joints and cryogenically treated transmission yoke.