hey i got 2 carbs both keihin 39 mm screw top flat slides they are both the same except one has a different size/taper needle. both have broken choke mechanisms as they all seem to..lol one is missing the slide spring..but apart from that they are good and clean slides not warn just too big for what i need..$60ono or trade for 30/32s.. newcastle 0406726252
