As Bull said, just PM Pete and he will take care of you. I had to replace two rears on my wifes car. She drove it to Indy the first year and he had Raymond's Performance do the install. He overnighted the XA's up there for her. I had a bad rear Super Car Coilover on my car replaced this year at Indy. Again at Bruce's place. No hassle. Seems we only find these issues right before a long road trip.
You will have to pay labor for the install (or do yourself) and for the alignment afterwards tho.