HI can anyone help please I have a xj750 engine but need carbs for it everywhere I try to buy some I ask them to measure the distance of the outside edge from 1 too 4 on the chambers that go into the intake mounts those that reply tell me ten and a half inches but I need nearly eleven inches due to the fact that the intake mounts on my engine are angled one way on the first two and the opposite way on the 3rd and fourth I cant find any anywhere can you help or sudjest any solutions please thanks.