Try a 6-lug rear end from an early Toyota Land Cruiser. Also, just about any of the Japanese pickups from the 1980's such as Toyota, Mitsubishi, Dodge Ram 50, Ford Courier, Chevy LUV, or Mazda have the same 6-lug bolt pattern as a stovebolt, but those rear ends might be too narrow.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!