Edelbrock/Russell 613180-10 AN 90 Degree Full Flow Swivel Hose End Lightweight aluminum hose ends are completely reusable Unique taper design ensures easy assembly 37 degree angled sealing surface guarantees a positive anti-leak seal (does not require a sealing compound or Teflon tape) Accepts a wide variety of lightweight aluminum AN style adapter and carburetor fittings 360 degrees of adjustability after assembly