Mishimoto MMHOSE-WR4-97BL Jeep Wrangler 4 Cyl Silicone Hose Kit, 1997-2002, Blue Direct fit for 19972002 Jeep Wrangler 4 Cylinder Maximum Temperature: 330F Constructed with high grade silicone and heat-resistant embedded fibers Increases heat and pressure tolerance Mishimoto Lifetime Warranty Interior Material: Heat-resistant embedded fibers Exterior Material: Silicone Maximum Temperature: 330 F