Affordable Reliable and Built to Last aims to offer brand and high quality Replacement Set of 8 Black Spark Plug Wire Boot Sleeves for SBC BBC 350 454 ,Made From Double Wall Braided Fiberglass Sleeving (Triple Wall At Sewn End), you will find it is affordable reliable and built to Last, at least you can use for a long time.CompatibilityFits All Spark Plug Boots And Spark plug boot heat socks Can Withstand Heat rated for 1200F-1800F continuous use, 2500F intermittent.Product HighlightsEach Boot Is 6inch Length,Boots Will Work With 90 Degree, 45 Degree, And Straight Spark Plug BootsEasy InstallationJust Slip On (Sewn End Over Spark Plug ) For Maximum Protection ,Sleeves Can Withstand Heat Up To 1200 Degrees Using Patented Insultherm TechnologyPackage8 Black Spark Plug Wire Boot Sleeves(Note: only fit for vehicles which burning petrol), You Will Enjoy 12 months Once You Order From Us, Any Question You Can Contact With Us Via Email. ***PLEASE NOTE*** Only One Supplier in . Purchasing from elsewhere will not offer you warranty.