The Russell Twist-Lok hose is a -04 AN blue 6 ft roll intended for fast push-on assembly in fuel and oil systems. It offers a 0.25 in ID and 15/32 in OD, and is pressure rated to 250 psi; not for power steering. Lightweight and flexible, the hose uses Twist-Lok barb technology, is NHRA-approved for competition, and installs with Russell Twist-Lok hose ends to simplify plumbing work.
Russell Performance -4 AN Twist-Lok Hose (Blue) (Pre-Packaged 6 Foot Roll)