Add performance and style to your LS powered GTO with the Mishimoto silicone radiator hose kit.Mishimoto silicone hose kits are manufactured from four layers of high - grade silicone and heat resistant embedded fibers for superior reliability, durability, and performance.A reliable cooling system is vital to the life of your tire shredding GTO.The Mishimoto Pontiac GTO silicone radiator hose kit is offered in black, blue, or red and includes our signature lifetime warranty.