Russell’s ProClassic Carburetor Adapter Fittings are the third and final step to completing your hose assembly. The AN side of the fittings uses a 37 degree sealing angle that guarantees a positive seal at maximum operating pressures. They feature aluminum construction that has been black anodized for protection against corrosion. Adapt to any situation with one of these Russell ProClassic Carburetor Adapter Fittings.