Mishimoto Jeep Wrangler 4cyl radiator hose kits 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 with designed and engineered for a direct OEM fit.The perfect replacement to the stock 4cyl Wrangler hose kit. Mishimoto Jeep Wrangler 4 Cyl Silicone Hose Kit MMHOSE-WR4-97RD 1997-2002 Jeep Wrangler 2.5 Liter 30RH, 1997-2002 Jeep Wrangler 2.5 Liter AX5, 2000-2002 Jeep Wrangler 2.5 Liter NV3550