Mishimoto has released a silicone radiator hose kit for the 1997 - 2004 Ford F - 150 5.4L V8 (without built - in oil cooler) Mishimoto silicone hose kits are manufactured with five layers of high - grade silicone and heat resistant embedded fibers for superior reliability, durability, and performance. The Mishimoto 1997 - 2004 Ford F - 150 5.4L V8 (without built - in oil cooler) silicone hose kit provides increased pressure and heat tolerance which is ideal for a warm day at the strip or a long drive stuck in traffic. This kit is offered in black, blue, or red and includes our signature Lifetime Warranty.