not ment for a plug,,,but; I have bought several sets from tire rack. I do work with in 2 miles of them and I find it very convenient.
I have purchased tires from tire rack and had them mounted and balanced at discount tire because I do not want to wait for them to be ordered from discount and tire rack was not open on Saturdays..
My only complaint is, tire rack will not rebalanced a tire, even if you bring it in off the vehicle. Unless you have the road hazard and they have to fix it. They do have very good quality of service.
I was upset when having a set of rims and tires mounted at discount tires watching the monkeys sliding $900 rims across the concrete.
I do balance my purchase from discount tires and tire rack, one thing I will say; discount tire will take my tire in on repair, fix and re-balance it with no questions ask for free.