The Russell Twist-Lok hose is a -04 AN blue 100 ft roll intended for quick push-on assembly in fuel and oil systems where stainless braid isn’t required. It has a 0.25 in ID and 15/32 in OD and is pressure rated to 250 psi; not for power steering. Flexible and lightweight, the hose uses Twist-Lok barb technology, is NHRA-approved for competition, and pairs with Russell Twist-Lok hose ends for rapid installation.
Russell Performance -4 AN Twist-Lok Hose (Blue) (Pre-Packaged 100 Foot Roll)