Silicone Radiator hose kit for Scion FRS/ Toyota GT86 FT86 and Subaru BRZ Very high quality silicone, made of a synthetic material better than nylon, which is commonly used in the manufacture of hose. The hose are reinforced with dacron in 3 layers, which allows them to withstand high pressure. A great alternative to a regular rubber hose that will last you for many years! Material of manufacture: Reinforced 3-layer silicone. Temperature range: - 40 - +180 degrees Maximum working pressure: 2 mpa - 20 bar Wall thickness: 4.5mm The upper radiator hose is an analogue of the original one, which has the number SU003-01190 and SU00301188. The inner diameter is 38 mm. The lower radiator hose is an analogue of the original one, which has the number SU003-01189. The inner diameter is 38 mm. When used, it is possible to stretch the hose in a large direction by 1-2 mm. Set: 3 hoses (2 upper, 1 lower) Color: Black