I could really use some help right about now.

I can't seem to find motor mounts that fit my application. I went through many parts distribution center through my friends shop and always gettting something which dosent match. It's a 1971 duster with a 340 engine from a 68' barricuda. The mount is so flat that the driver side header is hitting the steering column. We tried elevating the front end of the engine and it gave it just enough clearance. The rubber mount looks like an "ice cream" sandwhich if it helps any. We tried using washers, but the nut wont catch the thread on the mount. If you need an idea it looks something like this, but this is a solid piece from summit. Anyone know where I can get a rubber one?
http://store.summitracing.com/partd...925130+4294840100+4294839050+115&autoview=sku

These guys sell the whole mounts brackets and inserts if you need them
http://www.engine-swaps.com/

But you can get just the biscuit insert from NAPA for like $9.00
http://www.napaonline.com/masterpag...umber=6021130&Description=Motor+Mount+-+Front