high performance silicone hoses are made with high-grade 4-Ply silicone and a dual layer that consists of heat resistant fibers, increased pressure tolerance, resistance to UV, water, oil/fuel, heat reductions and a life time expectancy of the hoses. Silicone hose kits are designed with your engines cooling as a top priority. Our specific combination of silicone compounds and fabrics to deliver the required performance, reliability strength and flexibility required, improves the flow of engine cooling system and upgrades the performance.