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  • Rated for 649°C continuous use, 1093°C intermittent.
  • Reflects and dissipates heat
  • 1” (2.54cm) id, fits most spark plug boots even 90°
  • Double-wall construction
  • Always wear safety glasses, dust mask, gloves, and long sleeves are recommended when handling this product
  • Proudly made in the USA

In stock and ready for next day delivery

Further Info

Insul-Boot™ spark plug boot heat socks protect plug wires from ambient heat exposure and damage up to 649 degrees C, extending wire life while also increasing ignition-system performance through reduced wire resistance. Insul-Boot™ prevents misfires caused by plug-wire burnout, helping prevent critical engine damage and performance losses. The double-wall construction provides superior ambient heat protection, while special coatings reflect and dissipate heat. The universal design fits most spark plug boot angles, and Insul-Boot™ is available in six ceramic colours: red, blue, black, tan, yellow and orange. Installation is easy and will not hinder spark plug changes.

Our range of Heatshield Products Insul-Boot™ are available for next day delivery across the UK, subject to stock. See our delivery terms for more details.