I just got the belts for my 69 GT350 back from Stewart at Python in October and he did a perfect job, cost me just over $600
The shoulder harnesses and tag were in perfect shape so all he did was clean an dye those and all of my retractors worked fine. Stewart had to re-web the front and rear belts and put new date coded tags on them. Most of my hardware was ok and only had to replace a couple of them along with each one of the buckle surrounds and button decals. Stewart told me it would take several months but I was in no hurry, he did ask if I had a deadline to be ready for a show or something so if you need yours back faster then let him know but don?t expect miracles. If you need something done fast then restoring cars is not for you.