Hello to everyone, This is Damon from Diggity Designs. Our webpage has been updated and will continue to be in the comeing months so check it out. If you are looking for a killer conversion kit for your TC3 or TC4 then check out our XLR8 conversion kit. Its all tricked out with graphite and aluminum, The car is perfectly balanced with 4 and 2 battery set-up, very tunable for different racers so check it out. Very Low center of gravity, new suspension geometry, new arms, etc.. Its basicly a new car.. It has been very fast in Michigan and Arizona!! Let me know if you have any suggestions, thanks.