Have you considered modifying the diameter of your stock steering wheel? This would retain the stock appearance and give you additional clearance. i saw this article in Custom Classic Trucks a while back.

http://www.customclassictrucks.com/techarticles/1208cct_reclaiming_stock_steering_wheel/





Oldbolter
1959 Apache 3800 dually flat bed/dump with 261
1956 3800 dually flat bed/dump with 235
1957 3600 flat bed, 350 engine, 700R4, PS, disc brakes, 14 bolt rear with 4.11 gears