8pcs 16cm Spark Plug Heat Ignition Wires Protector Sleeve Cover Description: 1.100% Brand new and high quality. 2.Protects plug wires and boots from excessive engine and exhaust heat. 3.Works as a radiant heat barrier or can be placed directly on heat source. 4.Universal design fits most boots. Specification: Length:16cm Inner diameter:18mm Outer diameter:26mm Material:Fiberglass Manufacturer Part Number:SPBKTTRDX8 Package included: 8pcs High Heat Ignition Spark Plug Wires Protector