Aeroflow’s spark plug boot and ignition wire insulators are the perfect solution for tight headers and turbo manifolds. These act as a dual-purpose spark insulator to reduce misfires, extend spark plug wire and boot life as well not reacting to petroleum products. Universal size fits most boot sizes and can easily be flexed for angled boot applications. Easy to install and most importantly non-flammable.

Available in black finish which withstands 1100°C (2000°F) of radiant heat and 260°C (500°F) of direct heat. As well as an extreme duty titanium finish which withstands 1650°C (3000°F) of radiant heat and 1100°C (2000°F) of direct heat.

Sold as 4 packs.

Heat Guard Spark Plug Boot Diameter is 1”(25mm).