I have ran this servos in my HB D817 V2 and my HB E817 V2 from the start of this season. I have ran high end servos from sanwa and futaba in the past but wanted to try SRT this season due to their specs vs price compared to the other to brands.

I run SRT HV BH9027, torqe 25kg and speed 0.08s at 7.2V, both in steering and throttle/brake. I set them up as I did with my Sanwa servos, meaning that I run them in SSR mode on my M12S radio which is the quickest latencey mode, without and problems. Some say that you can only do that with sanwas own servos or you will destroy your servos. I tried BH9027 in SSR mode and they work fine, no buzzing, perfect centering and no gear stripping due to too high servo speed or wrecking the car in high speed. Have ran the servos in different tracks that has high speed sweepers, big jumps, smooth, bumpy, rough, loose, high bite, low bite and anywhere in between and the servos has never failed me. I have practiced 3-4 times a week if I'm not attending a race so the servos had been ran alot. I use Team Orion lipo reciver battery with 2500mah and I can run a whole practice session without switching reciver packs. A normal practice session for me is 2-4 hours active driving and I still have power left in the reciver pack.
I have the same feeling with these servos as I had with sanwa or futaba, the same spec or better than sanwa and futaba but SRT cost just a third of what the big names do. I'm not on a budget but I rather buy five SRT servos and have a few spares than buy five high end servos just to have the same specs as SRT but the name.
A few other racers at my track also run SRT and they have also never broken a SRT servo even if they abuse them harder than me.

Hope this can help out and to be clear, this is my findings and my experiance with this product and I'm not supported by SRT.
I run the equipment that I want because I pay for it myself!