Here are a few places where you might be able to find a steering gear box for a 1956 Custom Royal:
1. Classic Car Parts Suppliers:
- Classic Car Parts
- The Old Car Parts Company
- Hemmings Motor News
- Car-Part.com
2. Chrysler Dealerships:
- You may be able to special order the part from a Chrysler dealership.
3. Junkyards and Salvage Yards:
- Search for local junkyards or salvage yards that specialize in classic cars.
4. Online Marketplaces:
- Check online marketplaces like eBay or Craigslist for used steering gear boxes.
5. Specialty Parts Manufacturers:
- Companies like Borgeson and Flaming River specialize in manufacturing steering components for classic cars.
It's always advisable to check with multiple sources to find the best deal and quality.