Have you looked at 4WD truck / offroad part suppliers? I don't know if there is anything suitable that is cheaper than $60 though.

Here's a few ideas:
http://www.tmrcustoms.ca/suspension/bushings-joints/narrow-2-forged-johnny-joint.html (Canadian company)

http://www.tmrcustoms.ca/suspension...d-packages-with-round-tube-adapters.html
http://www.tmrcustoms.ca/suspension/link-suspension-kits.html

http://offroaddesign.com/catalog/bushingassemblies.htm

http://www.speedwaymotors.com/shop/classic-truck-heim-joints-and-rod-ends~142-857-16-578-31189

http://www.ruffstuffspecialties.com/catalog/LINKPROD.html

http://www.lowrangeoffroad.com/off-road-builder-parts/creeper-johnny-flex-joints-xaxis.html

https://www.afcodynapro.com/store/brand/AFCO-130/product_type/SUSPENSION-142/product_type/RodEnds-62