I called a few of our pintle hook manufacturers as well as went out to our warehouse to measure some for you. Unfortunately, none of them will accept a 2" thick lunette ring. The majority of them are designed for a 1-3/4" thick ring like the Buyers Products 15 Ton Pintle Hook part # 337PH15.
It looks like from the photo you attached you are right at the 1-3/4" measurement so the Buyers Products 15 Ton Pintle Hook may still work for you. If not your best option would be to replace it with... view full answer...