Hi Phil,
That's the engine back plate, the bolts are held in by threads in the back plate itself, poss. had the wrong bolts put back in there, a little long. If they are tight then no need, if loose and will not tighten then use some nuts, UNF if I remember correctly [?]
Cheers John


LIVE LIFE A QUARTER OF A MILE AT A TIME!
1976 Speke FHC Beauty Now with an overdrive conversion
1979 3.5 FHC(STATUS PENDING!!)
1982 2.0 DHC NOW A 4.6, BUILT NOT BROUGHT !!!!