Russell's Full Flow design hose ends have been the choice of many racing professionals for more than 30 years. This line of hose ends feature a unique tapered design for easy assembly and are mandrel bent for superior flow. They are designed for direct connection to OEM hard lines featuring SAE quick-disconnect connections. This eliminates the need for secondary adapter fittings. All hose ends are made from lightweight aluminum and are completely reusable. Designed to be used with Russell ProFlex, ProRace, ProClassic and ProClassic II Hose.