【Replace Part Number】Fit for all holley perf Carburetors like holley double pumper carburetor 4150/4150c model 650 750 850m rebuild kit 【Fitment】Replacement for Holley Carburetor 4150 4776 4777 4779 4780 4781 and all HP model carburetors,with 6.5 power valve,110 Needle and Seat assemblies, 30cc 50cc accelerator Pumps Parts 【Function】Rebuid Kits, Fast Kit, Performance Tuning, Rebuild, Model 4150, Gaskets, O-rings, Pump Diaphragm, Needle, Power Valve,as picture 【Detailed Parameters】If you have any questions about the product size, please do not hesitate to contact us, we will reply immediately after receiving the information 【Note】Please double-check that the part number,photo and size match before purchasing,make sure whether it fit the part you want Replacement for Holley 4150 carburetors 776 4777 4779 4780 4781