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Your cart is empty.Design Engineering Titanium Protect-A-Sleeve with LR Technology offers the best possible sleeve protection on the market today. Developed specifically for any application where extreme high heat is present, these Titanium sleeves will protect wires, lines and cables when exposed up to 1800 degrees Fahrenheit direct heat or 2500 degrees Fahrenheit radiant heat. Developed with DEI's proprietary LR Technology, these high temperature rated sleeves provide superior thermal protection for street vehicles or race engines, protecting fuel, oil lines, spark plug and electrical wires from direct or under hood radiant heat. The 1/2" interior diameter sleeves will fit many of today's larger diameter spark plug wires for protection against hot exhaust manifolds and headers. Water and heat resistant, they are also ideal for Powersports - ATV/UTV, motorcycle, personal watercraft, snowmobiles, and marine use.
bob white
Reviewed in the United States on January 26, 2025
as described
Customer
Reviewed in the United States on May 6, 2024
Used it to protect 8 guage amp wire and 3 front & rear camera 14 guage wires that route very close to exhaust manifold and into the cab next to the gas pedal. All of the cables fit perfectly in the protective sleeve. I hope it keeps the wires safe. The first set of wires touched the manifold and got burnt. 😢
Brian Boldt
Reviewed in the United States on May 2, 2022
Used on spark plug wires that i wanted hidden, so far, so good with protection from burning the wires that are touching the engine block
Customer
Reviewed in the United States on December 15, 2022
Absolutely a must have. Helps protect spark plug wires from high temps . Helps avoid buying wires from heat deterioration. Best investment and looks amazing . Very easy to use
I
Reviewed in Canada on July 9, 2021
Parfait
Seth R.
Reviewed in the United States on June 12, 2021
Works well as advertised, my complaint is the dei branded heat shrink only comes in a smaller size, and doesn't hold the wrap in place well. I used metal zip ties instead.
Jesyva
Reviewed in Mexico on October 13, 2020
Se ve de buena calidad el producto, llegó en tiempo y forma.
Craig m.
Reviewed in Canada on April 8, 2020
Great productFast shipping
Manuel Francia
Reviewed in the United States on April 14, 2018
Didn’t use them for my intended purpose as they wouldn’t slip over my spark plug cable so ended up using them to dress up my fuel lines. Worked great and a little added extra touch to match my pipe wraps on a cafe racer. Followed instructions and some YouTube vids. I have a bunch left over in case I replace my spark plug wires in the future.
Quentin Peysson
Reviewed in the United States on March 16, 2017
VERY VERY SHORT... but it fit when i cut the cables :/ something i did not wanted to do but well
J. Toste
Reviewed in the United States on August 29, 2016
Used this product for relocation of a fuel injection line vulnerable to heat and abrasion - even though this line is .5 inch (12.7mm) ID, it fit perfectly over my 13.5mm OD line by using the 'chinese finger puzzle' method (it will expand a bit when you push the ends together, then you can smooth it out for an exact fit). Heat shrink tubes are essential to prevent a frayed look at each end, and happily this roll comes with ten of them! Very pleased with this product!
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