Product details:

This BSB Manufacturing fuel log slides in and out to fit virtually any Holley style carb. - Carburetor fuel line features a three O-ring design to eliminate leakage. - Log features -8AN inlet3/8 inch NPT rear port - Aluminum Fuel Bowl Gaskets included - WARNING:This Fuel log does not have a 1/8 inch NPT threaded hole for a fuel pressure gauge connection. - Fitting #6176157 can be used in conjunction with this item when an 1/8 inch NPT port is required. - Additional Information:Adjustable from 8 5/8 inch Min to 13 inch Max. - This is far enough to cover most Holley style carburetors with 7/8 inch-20. Threaded fuel bowls including Dominator carbs.