Holley 2-Barrel Carburetor – LIST-1710-S5 (GM #3917660)
Holley 2-bbl carburetor, GM factory unit from late 1960s Chevrolet cars/trucks. Fits many 250 inline-6, 283, 307, and 327 small-block applications. Throttle moves freely. Condition as shown — will likely need cleaning or a rebuild.