Fabrication parts like Curt Combo Bar # E-9 do not carry a weight capacity rating because that will largely depend on the nature of the installation chosen. To what you weld it and how well you weld it will determine its ultimate capacity. If installed properly it will have enough capacity for any recovery winch intended for use in a 2-inch hitch. view full answer...
The hitches we have for your 1991 Chevy Caprice are 1-1/4 inch like the Curt Trailer Hitch Receiver - Custom Fit - Class II - 1-1/4" # C12009. The 2 inch hitches are reserved for larger vehicles like trucks and SUVs that would have higher towing capacities. view full answer...