A-body Big bolt pattern Axles ??

Can anyone point me in a direction to buy new stock length A-body axles already made with the big bolt pattern for people doing conversions from the small bolt pattern? I see the run about $275 to $300 with Green brgs installed from like Dr. Diff and Moser and Yukon. Whats a good axle and best place to buy it? At the best price too! Thanks. :thumblef: