55-57 Chevy Bel Air V8 Silicone Radiator Hose Kit Cold Case Radiators1955 1957 Chevrolet Tri Five Silicone Radiator Hose Kit. Black. For original V8 cars with V8 position radiators. Upgrade your cooling system with this COLD CASE silicone hose kit. Add style and performance to your Chevy. All COLD CASE hose kits come with super smooth and heat resistant 5mm thick walls and to mention, our Lifetime Warranty. Most cheaper versions are made from 3 ply material. COLD CASE only uses 4 ply material for superior performance.