gearbox (m5od) support BOLT size?

[F 150Cobra]

its the bolts that holds the trans to the support on the crossmember.. not the one that holds the support to the crossmember

they are just not there anymore i dont understand!

 

[flareside_thunder]

If they came out I'd put a size smaller THROUGH the holes with flat washers and a NYLON locknut.

 

[1985 Ford F-150]

Nylon or a locknut.