Car 1200 Degree Spark Plug Wire Boots Heat Shield Protector Sleeve Cover fit for SBC BBC 350 454 (8PCS) by Shinehome Set of 8 Black Spark Plug Wire Boot Sleeves,Made From Double Wall Braided Fiberglass Sleeving (Triple Wall At Sewn End) Fits All Spark Plug Boots And Wires Up To 1200 Degrees Fahrenhett (648.89 C) Each Boot Is 6inch Length,Boots Will Work With 90 Degree, 45 Degree, And Straight Spark Plug Boots Easy Installation: Just Slip On (Sewn End Over Spark Plug ) For Maximum Protection ,Sleeves Can Withstand Heat Up To 1200 Degrees Using Patented Insultherm Technology Package: 8 Black Spark Plug Wire Boot Sleeves(Note: only fit for vehicles which burning petrol)