The Mr Gasket 1509 Carburetor Fuel Bowl and Metering Block Gaskets are designed specifically for Holley carburetors. Made by the trusted brand Mr Gasket, these gaskets ensure a secure seal between the fuel bowl and metering block, preventing leaks and ensuring optimal performance. With the manufacturer part number 1509, these gaskets are a perfect fit for those looking to maintain or upgrade their Holley carburetor setup.