I have multiple sets of HMMWV 3 point seat belts. These are brand new in the package, never used. I have used these in both front and rear seats of my Bronco and the work great. $60 a pair. Shipping available. Text or call 916-257-8920
Here is a link to an example of what they are.
https://www.sportsmansguide.com/product/index/military-humvee-seat-belt-kit-4-piece?a=1781402
Here is a link to an example of what they are.
https://www.sportsmansguide.com/product/index/military-humvee-seat-belt-kit-4-piece?a=1781402