HPS ReinCoolant forced Silicone Radiator Hose Kit Blue Coolant for 03 04 05 06 Nissan 350Z Replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure Fits: Nissan 03-06 350Z 100% Stainless Steel Clamps are included for easy installation Color: Blue. Material: 3-Ply Reinforced High Temp Silicone Temperature Range:- 65 deg. F to + 350 deg. F (177 deg. C)