SKU: DSN10502
UPC: 607078105028
MPN: 10502
The DESIGN ENGINEERING Protect-A-Boot spark plug boot sleeve is an 8-pack set of braided fiberglass sleeves engineered to shield engine spark plug boots from extreme heat, corrosion, and mechanical damage. Each sleeve measures 6 inches in length and features a silver braided fiberglass construction designed to insulate and protect factory ignition components in high-temperature engine bay environments, making it an essential upgrade for performance builders and mechanics managing heat management in modified or turbocharged applications.
The 6-inch braided fiberglass sleeve material provides thermal insulation that keeps spark plug boots cooler during sustained engine operation, reducing the risk of boot degradation and ignition misfires caused by excessive underhood heat. The silver-colored fiberglass braid offers both functional heat protection and clean aesthetic appearance under the hood. The 8-pack quantity covers a full V8 engine with two spare sleeves for replacement or future use. Installation is straightforward—sleeves slip over factory spark plug boots without requiring removal or modification of ignition wiring, making this a non-invasive upgrade suitable for stock or modified engine builds.
This product is particularly valuable in high-performance applications where turbochargers, superchargers, or engine modifications generate elevated temperatures under the hood. Street machines, drag vehicles, and turbocharged swaps frequently experience ignition system stress from radiant heat near exhaust manifolds and headers. The Protect-A-Boot sleeves serve as a preventive measure against heat-induced electrical failures that can cause drivability issues or no-start conditions. Mechanics and engine builders routinely specify this type of sleeve protection as standard procedure when assembling engines destined for sustained high-output operation or competition use.
DESIGN ENGINEERING is an established supplier of thermal management products and engine bay heat shielding solutions trusted throughout the automotive aftermarket. The Protect-A-Boot line is widely recognized as OEM-quality ignition protection for both domestic and import performance platforms.
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