The Moroso 2300/2305 2BBL to 4150/4160 carburetor adapter is a 3/4-inch billet aluminum adapter designed to convert 2300/2305 two-barrel bolt patterns to 4150/4160 four-hole flanges. It provides a billet conversion option where a three-quarter-inch adapter is needed to fit 2300/2305 carburetors to 4150/4160-style intakes.
Moroso 2300/2305 2BBL to 4150/4160 Carburetor Adapter - 3/4in - Billet Aluminum