Was wanting a small coil for my E-trac as you know so I called Sunray and talked to the man himself (Ralph the owner of Sunray I think) super nice guy and next thing I knew I bought a new X5 and x12 one for christmas and on form hobby fund lol I sure hope they are as good as everyone says Bad thing is they are out of them and wont have them till 12-16 >{ gess I will find out them anyone use these coils let me know your opinion hopefully good or bad gess I have till the 16th