In the rule book the it states that OEM hardware can be used too
the hold down in the stock ;location,,, the hold down seem weak ! For the battery hold down is a metal part that catches the bottom of the battery and bolts the tray I have bolted the tray to the core support with 3/8 bolts in the stock location replacing the little bolts that held the tray to the core support will that pass tech looks like it can from GM
