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🔧 10% OFF with code SAVE10
🔧 10% OFF with code SAVE10
🔧 10% OFF with code SAVE10
🔧 10% OFF with code SAVE10
🔧 10% OFF with code SAVE10
🔧 10% OFF with code SAVE10
🔧 10% OFF with code SAVE10
🔧 10% OFF with code SAVE10
🔧 10% OFF with code SAVE10
🔧 10% OFF with code SAVE10
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Free UK delivery on every order. Orders are processed within 1–3 working days and delivered across the UK in 2–5 working days by tracked service. No minimum spend.
We currently deliver to United Kingdom addresses only. Delivery times are estimates and can be longer for the Highlands, Islands and Northern Ireland or during busy periods. See our Shipping Policy for full details.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
The NGK 7164 Iridium IX Spark Plugs TR55IX arrive as an 8-pack designed to pair performance with long life. Built by NGK, a renowned OEM partner, these plugs are crafted to meet the rigors of daily driving and the demands of newer engines. This eight-pack is ideal for technicians stocking parts or enthusiasts refreshing a whole ignition set.
With an iridium IX tip and a fine-wire center electrode, these plugs resist wear and support stable combustion across a broad operating window. The ceramic insulator is designed for a snug fit, while the ground electrode geometry supports consistent spark delivery in a variety of temperatures and loads.
Real-world usage notes: in everyday commutes, these plugs may contribute to smoother starts and steadier idle in engines that benefit from precise ignition. In more spirited driving, the IRIDIUM IX technology is designed to maintain reliable firing without frequent replacements, helping you keep service intervals predictable.
Installation and compatibility guidance: always verify fit before purchase using NGK's application database. Follow your vehicle manufacturer's torque specs and service intervals to maximize the benefits of a premium plug like this. While performance enhancements can vary by vehicle, many drivers report consistent operation and fewer misfires with quality OEM components.
Q: What does this listing include?
A: Eight NGK 7164 Iridium IX spark plugs TR55IX are included.
Q: How can I verify compatibility before buying?
A: Check NGK's application database to match your engine and drivetrain and confirm quantity.
Free tracked delivery to any UK address on every order, with no minimum spend. Orders are processed within 1–3 working days and standard UK delivery then takes 2–5 working days; remote areas can take a little longer. You receive a tracking link by email as soon as your order is dispatched.
Please inspect your order on arrival. If anything is wrong, faulty or damaged, email plentytorqueauto@gmail.com with your order number and photos and we will put it right. Changed your mind? Email us before sending anything back and we will confirm the return address and instructions. Hazardous and flammable items cannot be returned. Full details are in our Refund Policy and Shipping Policy.
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