I've used the machine shop that is part of United Speed World on Florida. Good results, pricing was better than Engine Lab. 85mm on a b20 block has been done lots of times it doesn't work out too well in the long run. I'd sell the pistons and go with 84 or 84.5mm pistons on those stock sleeves.
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Don't bother giving me "rep", I won't return it and I think it is stupid.
Gracie Barra Clearwater
Gyms in Clearwater, St. Pete and Port Richey
pm me if you are interested in trying a free class at any of the gyms.