anyone have a good alternative to OE engine shock mounts
 

I'm not really interested in paying $160 or even $100 each for these.
Anyone have a good alternative? Professor Google only turns up MBZ parts albeit with price variations

PN: 116-240-00-17-M22

1984 Mercedes-Benz 300SD Sedan - Engine Miscellaneous - Page 1

I did not re-read all of the below threads. I know some of them apply

Use Of Flexane Urathene
Cheap engine shock mounts fix
http://www.peachparts.com/shopforum/diesel-discussion/314569-cheap-engine-shock-mounts-fix.html
Homemade Polyurethane Engine Mount Bushings
http://www.peachparts.com/shopforum/general-information/324560-homemade-polyurethane-engine-mounts-bushings.html
When the owner found out the cost of new shock mounts, they elected to (emergency repair) try Polyurethane Construction Adhesive "Liquid Nails" – No. LN-950.
The whole thread from below
http://www.peachparts.com/shopforum/diesel-discussion/308791-380sl-diesel-conversion-project.html
Polyurethane filled motor mounts has shore hardness comparison chart
http://www.peachparts.com/shopforum/3061724-post317.html
Mold making and casting stuff
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