To the people at Fragola, engineering is the key, and Perfecting their hose ends and fittings is serious business. Fragola performance systems an to pipe thread fittings are manufactured from lightweight quality aluminum or zinc coated steel to exacting standards for tight, leak-free connections. Many of the aluminum fittings are available in anodized colors to accent your engine compartment and they are American-made. These an to pipe thread fittings are available in varying sizes to fit nearly any application. Plumb your racer like a Pro with Fragola an to pipe thread fittings.