Heatshield Products (204011) 3/8" ID x 10' Hot Rod Sleeve Roll Continuous operating temperature of 1100 degree Fahrenheit, 2000 degree Fahrenheit intermittent Capable of reducing up to 60 percent of radiant heat Special weave that allows it to expand and contract over fittings, terminals and more Helps to prevent vapor lock, protects wires from melting, shields oil and brake lines