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Insul-Boot from Heatshield Products Can Prevent Damage to Spark Plug Boots and Ignition Failure

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Spark plug boots and wires are located within one of the most intense heat environments on an engine: Next to the exhaust headers/manifolds. Insul-Boot from Heatshield Products encase spark plug boots in a specially formulated and woven thermal barrier rated for a constant 1,200 degrees F and intermittent 2,000 degrees F of heat exposure to keep high radiated heat from degrading the boots to the point of reduced function or misfires.

The one-inch inner diameter double-wall construction that is unique to Insul-Boot blocks heat better than competitive products, and it is flexible to fit over most spark plug boots including 90-degree angles. A built-in high-temp alloy ring keeps Insul-Boot in place and keeps it from “walking” up the wire leaving the spark plug boot vulnerable. Four color choices are available: black, blue, red and tan.

Insul-Boot remains soft and easy to work with after heat cycling, so they will be easy to remove and reinstall when it’s time for plug changes.

Insul-Boot was one of the first high-quality spark plug boot heat barrier products on the market, and its unique design and advanced materials make it one of the best available still today. The engineering in this product has endured the test of time and will bring years of performance to customers’ vehicles.

Heatshield Products has engineered and manufactured heat-barrier products for more than 30 years, serving the performance and racing industry with the highest quality products at competitive prices. The company is family owned and operated, and is proud to make its products in the USA.

For more information, call 844-723-2665 or visit heatshieldproducts.com.

(Content courtesy of Heatshield Products)


Mary Lendzion
Mary Lendzion
Formerly a writer at the Detroit Free Press, Mary Lendzion has written for NMCA and NMRA for more than ten years. She's also the director of media and public relations for Summit Motorsports Park, and spends as much time as possible racing her Mustang.
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