J-Tuners is from my understanding a pretty reputable company, but you can get the 5-angle valve job done by a local shop, and also get back-cut valves, port and polish, all of that good stuff done for around the same price. One of my fellow JBOI members just had his 3400 V-6 done, both heads, for I think around $500ish. Just ask around at some of the shops in your area.
that head is for the 97 and earlier 2.2L