I have a classic Grant steering wheel that I cannot find a steering wheel kit for ...98 Daihatsu hijet pickup. I'm not sure if they even make one for the Daihatsu but is there a different car company that will fit?
There are HKS Boss kits available. Not sure if they are compatible. on YouTube, Greecemonkeys fabricated his own hub and shows the build process.
I use an HKS Boss adapter for a standard 6 bolt aftermarket wheel. I have to slightly oval the holes for the turn signal return to work properly.
Works Bell boss kit (#201) with my leftover Momo Race wheel. I remember having to modify something (go figure), but I like the final outcome.