These ultra-trick Hurst transmission cross-members have painstakingly been designed and fabricated from thick steel plate for a perfect fit and finish that has no equal. These bolt-in units are much stronger than the factory stock cross-members and help maintain the correct transmission and driveshaft angles. Precision cut and fully MIG-welded, then given a durable black powder coating finish to last a lifetime and give you peace of mind knowing you're buying the best parts available when doing an AOD automatic transmission swap in your 1964-1966 Ford Mustang. You can surely trust the company that originally started out making conversion mounts back in 1958, Hurst Performance.