If your on a budget or just "cheap" like me try Boy Go Fast on Ebay. This will raise some hackles here but I've bought two Grubee kits and two BGF kits and am satisfied w/ BGF. Understand, however, BGF makes no claims for extensive warranty coverage. Heck, sounds like they're ALL 'Luck of the Draw' no matter where you get 'em. BGF kits come w/ U-clamp front mount and inline fuel filter with high grade fuel line. His PDF instruction manual is the one I wish i'd had on my first build! Shipping is VERY fast. Packaging first class. He answers his emails same day and is courteous and appreciative. I just ordered two more kits from him yesterday just in case there are US restrictions due in '10. Wherever you buy, I hope your experience is a pleasant one. These motorbikes are rewarding to build and FUN to ride. The forums are great. Everyone's helpful.