Any GM wheel through the 70's will fit the shaft. Possibly later ones will fit as well. I used a 3 spoke wheel from a Fiero. It has a similar look to the stock wheel but considerably smaller.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine