The Steel-Flex Heater Hose Kit from Spectre features a high quality nitrile rubber hose, reinforced with a single ply of braided cord, and a #304 grade stainless steel braid ensuring optimum fit and function. This 4 foot long hose fits 5/8 inch fittings and it can be easily cut to length. This kit comes with red/blue magna-clamps, and can be used on stock, street, race and show or any other universal application.