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Spark Plug Insul-Boots

Spark Plug Insul-Boots

Spark plug boot heat socks protect your expensive plug wire set’s performance and increase their lifetime. Insul-Boots prevent misfires caused by plug-wire burnout, this helps prevent critical engine damage and loss in performance. This boot heat shield, feature double wall construction provides superior protection. Special heat coatings allow these boot heat shields to reflect and dissipate heat. The universal design fits most boots-even 90 degrees. Insul-Boots are available in six ceramic colors-red, blue, black, tan, yellow and orange and withstand up to 1200F. Easy installation: place ring side on end of spark plug boot and slide the wide end towards the wire, ring side of Insul-Boot should rest between cylinder head and top of plug boot.


  • Rated for 1200F continuous use, 2000F intermittent.
  • Reflects and dissipates heat
  • 1” id, fits most spark plug boots even 90 degrees
  • Double wall construction
  • Always wear safety glasses, dust mask, gloves and long sleeves are recommended when handling this product
  • Proudly made in the USA

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