Mishimoto Blue MMHOSE-370Z-09BL Nissan 370Z Silicone Radiator Hose Kit Direct fit for 2009+ Nissan 370Z Inner Diameter: 1.3" Outer Diameter: 1.65" Maximum Temperature: 330F Constructed with high grade silicone and heat-resistant embedded fibers Mishimoto Lifetime Warranty Interior Material: Heat-resistant embedded fibers Exterior Material: Silicone Maximum Temperature: 330 F Inner Diameter: Hose 1: 1.3", Hose 2: 1.3" Outer Diameter: Hose 1: 1.65", Hose 2: 1.65"