Sam, if you are interested I have just restored a 3 flat spoke J type steering wheel. Heat shrinking in black the spokes, & binding the wheel in 3.00mm black nylon cord. The centre is chromed with fixing bolt.£85-00 plus postage. Fully refundable if not required. email me on : nickdean1947@outlook.com
Sam I have a 4 spoke J2 steering wheel with a bent rim but the boss and spokes are fine and restorable. If interested, I will send you a photo. Richard