Seller notes

This is a rebuild kit for the 4150 square flange Holley mechanical secondary double pumper carburetors. This kit comes with both 1 11/16 and 1 3/4 main body to base plate gaskets so it will work with 650, 750, 830, 850 and more. This kit does not come with a power valve . Both the metering block and fuel bowl gaskets are the blue reusable ones as well as the main body to base gaskets and carburetor to intake gasket. This kit also has nylon fuel inlet fitting gaskets, nylon needle and seat nut an...

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