Funk Motorsport / Funk Motorsport

Funk Motorsport Spark Plug Boot and HT Lead Heat Protection – Component Specific Protection

✓ Universal fit
£63.50 VAT included. Shipping calculated for your destination.

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Technical specifications
Manufacturer Funk Motorsport
Product Type Spark Plug Boot and HT Lead Heat Protection
Application Thermal and chemical protection for spark plug boots and HT leads
Available Colours Red, Black, Silver, Blue, Lava Rock Titanium
Installation Tool-free, slide-on fitment

Funk Motorsport Spark Plug Boot and HT Lead Heat Protection Overview

The Funk Motorsport Spark Plug Boot and HT Lead Heat Protection is designed for enthusiasts and professionals seeking reliable component-specific protection in demanding environments. This product safeguards your spark plug boots and high-tension (HT) leads from excessive heat, chemical exposure, and water ingress, helping to maintain ignition reliability and engine performance across road, track, and off-road builds.

How Spark Plug Boot and HT Lead Protection Works

Modern engines, especially those with performance exhaust manifolds or forced induction, generate significant heat in the engine bay. This heat can degrade spark plug boots and HT leads, increasing the risk of misfire, power loss, or electrical failure. Funk Motorsport's protective sleeves act as a thermal barrier, shielding these critical ignition components from radiant and conductive heat sources.

Where This Protection Is Most Useful

This component-specific heat protection is especially valuable for:

  • Race cars and drift builds with close-proximity exhaust manifolds
  • Off-road vehicles exposed to mud, water, and extreme thermal cycles
  • Performance road cars running aftermarket headers or turbo kits
  • Engines with limited airflow or tightly packaged ignition systems

By reducing the risk of heat soak and electrical degradation, these protectors help ensure consistent spark delivery and support maximum power output, even in harsh conditions.

Key Benefits of Funk Motorsport Spark Plug Boot and HT Lead Protection

  • Protects spark plug boots and HT leads from high temperatures
  • Helps prevent misfires caused by heat-damaged ignition components
  • Shields against chemicals and water for added durability
  • Supports reliable engine performance in motorsport and off-road use
  • Quick, tool-free installation for easy fitment
  • Available in multiple colours to match other Funk Motorsport heat management products

Construction and Material Details

Funk Motorsport's spark plug boot and HT lead protectors are manufactured with heat-resistant materials, engineered to withstand the challenging conditions found in motorsport and high-performance environments. Colour options include Red, Black, Silver, Blue, and Lava Rock Titanium, allowing you to coordinate with Funk Motorsport exhaust wraps, turbo blankets, and protective sleeving. (Note: Colour appearance may vary slightly from images.)

Installation and Usage Guidance

Installation is straightforward and can be completed in seconds without special tools. Simply slide the protector over the spark plug boot or HT lead to provide immediate thermal and environmental shielding. These protectors are suitable for a wide range of ignition systems and are compatible with most aftermarket and OEM spark plug boots and leads. Regular inspection is recommended to ensure ongoing protection, especially after exposure to extreme heat or contaminants.

Delivery, customs and taxes

Know the landed cost before you order

For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. For customers outside the UK, local customs and taxes remain your responsibility, and shipping is shown at checkout. If a shipping option is not available, email us and we will prepare a tailored quote.

Lead times and urgent orders

Check timing before you commit

Many of the products we sell are made to order, imported or custom built, so a lead time may apply. If you need a part urgently, contact us before ordering and we will confirm the expected delivery timeframe and process.

Questions before you order

Frequently asked questions

How does this product help prevent ignition misfires?

By shielding the spark plug boots and HT leads from excessive heat, the protectors reduce the risk of heat-induced electrical breakdown, helping to maintain a strong and consistent spark.

Is this protection compatible with all spark plug leads?

The sleeves are designed to fit most standard and aftermarket spark plug boots and HT leads. For unusually large or custom ignition systems, check the outer diameter before purchase.

Can these protectors be used in wet or muddy conditions?

Yes, the Funk Motorsport protectors offer resistance to water and chemicals, making them suitable for off-road and motorsport environments where exposure is common.

Do I need any special tools to install these protectors?

No special tools are required. Installation is a simple slide-on process that can be completed in seconds.

Will the colour of the protector fade or change over time?

While the protectors are designed for durability, prolonged exposure to extreme heat and chemicals may cause some colour variation. This does not affect performance.

Can these sleeves be used alongside other Funk Motorsport heat management products?

Yes, they are designed to complement Funk Motorsport exhaust wraps, turbo blankets, and sleeving for a coordinated and comprehensive heat management solution.

Fitment first

Universal product - confirm the application

Check dimensions, mounting points, clearance and any wiring or hose requirements against your setup before ordering.

✓ Universal fit
Need help with this product?

Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.

Funk Motorsport Spark Plug Boot and HT Lead Heat Protection – Component Specific Protection
Funk Motorsport Spark Plug Boot and HT Lead Heat Protection – Component Specific ProtectionSilver / 8
In stock £63.50