I have used the Hurst and Biondo, both with the same results. Don't bother with the installation kit, for a few dollars you can pick up all the hardware at NAPA or others.
I haven't had problems with either, I went with the Biondo unit most recently (because of budget) and it works fine.
I haven't had problems with either, I went with the Biondo unit most recently (because of budget) and it works fine.