If you don't have hours to spend accumulating all these small parts, then PROFORM's performance rebuild kit is the perfect solution. The kit includes two size 110 machined needle and seat assemblies, needle and seat adjustment screws and nuts, three accelerator pump diaphragms (30cc x2, 50cc x1), two high flow 4-window size 6.5 power valves, four non-stick precision die-cut gaskets for metering blocks, six non-stick precision die-cut gaskets for the main body/throttle body connection, one non-stick precision die-cut gasket for the throttle body/manifold seal, assorted rubber, metal, nylon and paper seals, and other miscellaneous items necessary for a successful rebuild. Can be used with any racing gasoline.