Increases horsepower and reduces under hood temperatures. Withstands 1200degrees F continuous, 2000degrees F peak. Fastens with Inferno-Ties. 1 inch wide x 50 feet x 1/16 inch thick. Non flammable, made in USA of premium grade materials. One package will wrap one typical small block or sport compact header. Product Features:Increases horsepower and reduces underhood tempsWithstands 1200 degrees f continuousNon flammableMade in usa