【Compatible Models】: Fit for All Holley Perf. Carburetors Like Holley Double Pumper Carburetor 4150/4150C Model 650 750 850M Rebuild Kit 【Replacement Part Number】: 37-485 Rebuild Kit 【High Quality】: This 37-485 Rebuild Kit Replacement For Holley 37-485 Renew Kit,Made of high-quality and durable materials, it has undergone 100% factory testing and meets or exceeds OEM quality standards. 【The Kit includes】: 37-485 Rebuild Kit With all of the necessary gaskets, O-rings, pump diaphragm(s), needle and seat(s), 125-65 6-5'Hg power valve(s) 【Customer Happiness】: Before purchasing, ensure that the model, appearance and function are consistent with the original.If you receive any issues with the product, please feel free to contact us and I will provide you with a perfect solution. Carburetor Rebuild Kit Compatible with Holley Carburetor Renew Kits 37-485 For 4 BarrelL,Gasoline,Double Pump,Mpdel 4150,600,650,700,750,800,850 CFM