Earl s Premium Hose. Ultra-light Kevlar® Outer Braided hose 60% Lighter Than Our Stainless Braid-protected Synthetic Rubber Hose. Maximum operating pressure 995 PSI Easy to Cut and Assemble. Designed for Ultra Flex Hose Ends.; The packaging envelopes of the modern racing car become tighter each year - leaving less room for auxiliaries such as plumbing. At the same time it becomes more and more difficult to get the cars down to minimum weight. Earl s Ultra-Flex 650™ hose solves these issues. Earl s finest and lightest hose combines a woven Ultra-light Kevlar® braid with a smooth bore PTFE tubing for increased flow and convoluted outside for incredible flexibility. It also has significantly higher flow and pressure ratings than conventional convoluted PTFE hose. Ultra-Flex 650™ is 60% lighter than our stainless braid-protected synthetic rubber hose and 15% lighter than our Pro-Lite 350™ hose. You have spent a lot of time energy and money on your race engine and you should bring the life sustaining fluid to it with the best hose on the market today - Earl s Ultra-Flex 650™ . (All trademarks are property of their respective owners.);