right angle stud connectors

If you whittle away the threads on a #10 stud it will be close to the #8 diameter. GM Gas Tank Fuel Sending Unit Pigtail Plug Wire Harness Connector A/C Compressor | eBay
Or just reshape this terminal slightly so it fits the #10 stud. Appears it would conform with very little effort.
GM Gas Tank Fuel Sending Unit Wire Terminal with Rubber insulator Boot Pontiac | eBay