Ummickl Heat Shield Sleeve 1/2" ID x 10ft Titanium-Style Basalt Wrap — 2500°F Reflective, Flexible

Ummickl's titanium-style heat shield sleeve is a flexible, cut-to-length protective wrap designed to block radiant heat up to severe temperatures and protect fuel lines, spark plug wires, brake cables and wiring looms.

This 1/2" internal diameter, 10-foot roll of basalt-based heat sleeve is built to resist intermittent temperatures up to 2500°F and dramatically reduce radiant heat transfer. It installs by sliding over hoses, wires or cable bundles and compresses around fittings, making it a compact, adaptable solution wherever engine bay heat, turbo proximity or exhaust manifolds threaten vulnerable lines and connectors.

How does this sleeve reduce heat around spark plug wires and fuel lines?

The sleeve’s basalt weave and titanium-like finish reflect and dissipate radiant heat, cutting down the amount of thermal energy reaching wrapped components. It’s engineered for intermittent high temperatures and works by creating a barrier that reduces surface heat and radiant transfer.

• Reflective basalt material resists temperatures up to 2500°F intermittently.
• Reduces radiant heat transfer by up to about 80% in tested applications.
• Thin, flexible construction minimizes added bulk around wires and hoses.

Will it fit my spark plug boots, braided lines and brake hoses?

The sleeve has a nominal 1/2" internal diameter and can be stretched or compressed to accommodate common spark plug boots, AN fittings and small braided lines. You can cut the roll to custom lengths so it fits straight, 45° or 90° boots and protects short runs of cable or hose.

• 1/2" ID standard fits most plug wires and small hoses; expandable to fit irregular shapes.
• Easy to trim with scissors for precise lengths around connectors.
• Slim profile keeps routing neat in tight engine bays.

How simple is installation and removal in practical use?

Installation requires no adhesives or clamps—slide or pull wires and hoses into the sleeve, then re-route; it shrinks slightly to conform around parts for a secure fit. The flexible basalt weave makes removal straightforward when maintenance is needed, and the material resists fraying with clean cuts.

• Push-on fit; no special tools required beyond a cutter.
• Compressible weave negotiates bends and fittings easily.
• Durable for long-term use but removable for service access.

What components can this heat sleeve reliably protect without changing performance?

Use it on spark plug wires, fuel and vacuum lines, brake and clutch cables, wiring looms and delicate sensor wiring exposed to elevated temperatures. Because the sleeve is thin and reflective, it preserves routing and bend radius while reducing the risk of heat-related softening or vapor lock in nearby fuel lines.

• Protects spark plug wires from heat-induced wear and melting risk.
• Shields fuel lines from radiant heat to help prevent vapor-related issues.
• Guards brake cables, clutch cables and wiring looms near exhaust outputs.

Who is this for? This Ummickl heat shield sleeve suits DIY mechanics, performance tuners and professional technicians who need a lightweight, high-temperature barrier that’s easy to fit and trim. It’s intended for automotive and motorsport use wherever radiant heat threatens hoses, wires or small-diameter lines and when a low-profile, durable wrap is preferable to bulky shields.

Package includes one 10-foot roll of Ummickl heat shield sleeve (1/2" ID). Ummickl offers ongoing customer support for installation questions and product concerns; contact the seller for assistance or warranty information.