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Description
xOverview
Upgrade your ignition with a set of A-NAFTULY Iridium Spark Plugs. This eight-pack is designed to deliver consistent spark delivery across a broad range of V8 engines, including common Ford trucks and a selection of GM and luxury-brand applications. The goal is reliable starts, steady idle, and smoother combustion feel across daily driving and longer trips.
Each plug uses iridium alloy for a durable, sharp tip that helps maintain precision over time. The result is a plug you can trust to perform under varied temperatures and driving conditions without the need for frequent replacements. While outcomes depend on many factors, the design aims to support stable ignition and consistent engine response.
What’s Included
- Eight iridium spark plugs, ready to replace a complete set in one go.
- Reference numbers to match common replacements: 7164, TR55IX, 3403, TR55GP, 3951, TR55.
- 12-month worry-free warranty and access to a dedicated support team for assistance.
Vehicle Fitment Highlights
The plugs are crafted for a wide spectrum of vehicles, including Ford F-series trucks (1997–2010) with V8 engines, Expedition, Explorer, and Mustang, as well as Cadillac, Chevrolet, GMC, Lincoln, and Mercury lineups. This breadth covers many mid- to late-90s through early-2010s V8 configurations, helping you find a common replacement option when upgrading your ignition system.
Durability and Design
- Iridium-tipped center electrodes designed for longevity and steady performance across mileage and climate changes.
- Precision electrode geometry intended to support reliable ignition and smoother engine response in varied driving conditions.
Warranty and Support
Each eight-pack is backed by a 12-month warranty and a responsive customer support team ready to help with compatibility questions or installation considerations.
Why Choose A-NAFTULY
- High-quality iridium spark plugs packaged as a complete 8-pack for convenient maintenance.
- Broad compatibility with a mix of Ford, Cadillac, Chevrolet, GMC, Lincoln, and Mercury vehicles.
- Reliable warranty and dedicated support to assist with product questions and installation guidance.
Installation Tips
Before installation, confirm the fitment against your vehicle’s engine specification, inspect the old plugs for wear, and follow standard torque guidelines. Proper seating and torque help maximize ignition efficiency and long-term performance.
FAQ
Q: Will these spark plugs fit my Ford V8 from 1997–2010?
A: Yes. They’re designed for Ford V8 4.6L/5.4L and align with the listed vehicle range.
Q: What’s included and is there a warranty?
A: Includes eight iridium spark plugs; 12-month warranty with access to dedicated support.
Shipping & Return
xReturns Policy
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.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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