6.5 power valve .110 Needle and Seat assemblies 2 30cc accelerator Pumps 1 50cc accelerator Pump Quick Release Non Stick gaskets MADE IN THE USA. Complete rebuild kit for all Holley 4150 carburetors. This covers list numbers 4776 4777 4779 4780 4781 and all HP model carburetors. All non stick gaskets, 6.5 power valve and .110 needle and seats. This comes with float leveling instructions and mixture screw adjustment procedure.