Mishimoto Toyota Supra heater hoses are made with a dual layer combining high grade silicone and heat-resistant embedded fibers to provide efficient heat reduction and increased pressure tolerance, all designed and engineered for a direct OEM fit. Silicone Heater Hose Set, fits Toyota Supra 1986-1992 1986-1992 Toyota Supra 3.0 Liter A340E, 1987-1992 Toyota Supra 3.0 Liter R154, 1986-1988 Toyota Supra 3.0 Liter W55, 1989-1992 Toyota Supra 3.0 Liter W58