Spark Plug Wire / Boot Shrink Tubes - Black - 12mm x 1-1/2" by DEI

Perfect for sealing spark plug wires to boots at each end forming a water-tight weatherproof seal. With a 3 to 1 shrink ratio, shrink tubes can be used to bundle wires as an alternative to tape or plastic ties. 3:1 shrink ratio Offers a clean and professional under hood look 25 tubes to a package Easy to install with ordinary heat gun Available in Gray, Black, Red and Blue.