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Aeroflow AF91-6050 4Pk Spark Plug Boot Heat Shield
Spark Plug Boot Protector - 150mm Length
Black slip on design, withstands 500°F direct heat & 2000°F radiant heat, 4 pack
Aeroflow’s spark plug boot and ignition wire insulators are the perfect solution for tight headers and turbo manifolds. These act as a dual-purpose spark insulator to reduce misfires, extend spark plug wire and boot life as well not reacting to petroleum products. Universal size fits most boot sizes and cAN easily be flexed for angled boot applications. Easy to install and most importantly non-flammable.
Available in black finish which withstands 1100°C (2000°F) of radiant heat and 260°C (500°F) of direct heat. As well as AN extreme duty titanium finish which withstands 1650°C (3000°F) of radiant heat and 1100°C (2000°F) of direct heat.
Sold as 4 packs.
Heat Guard Spark Plug Boot Diameter is 1”(25mm).
Shipping Information
Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.
The Kren Bits journey:
- Order received — Day 0
- With fulfilment — Day 1–2
- Heading to courier — Day 2–4
- Shipped — Day 3–7
- Almost there — Day 5–10
- Delivered — Day 5–14
Where your part ships from:
Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.
We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.
For more details, visit our Track Your Order page.
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