Description Reinforced Hose Kits Compound by both EPDM material and two Layun mesh layer woven. Double wrapped provide high endurance and reliability. Double layer pressure bearing 10kg / 1cm2, 150% stronger than OE rubber hose. Never worry about the high temperature or pressure will broken your upgrade radiator hose during high turning or long time driving. *** Fits Mazda RX7 FC3S 86-92 ***