

NGK Iridium IX Spark Plugs 16-Pack for Ram 5.7L / 6.4L V8 - Newparts
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Description
xUpgrade your Ram 1500 with a 16-pack set of NGK Iridium IX spark plugs from Newparts. Built for high-mileage V8 engines, these plugs combine a copper center core with an iridium tip and a standard ground electrode to deliver consistent ignition across a wide range of driving conditions. The set ships in original NGK packaging with all required hardware for a straightforward replacement.
What’s inside
- 16 x NGK Iridium IX Spark Plugs
- Genuine NGK parts with original packaging
- Included installation hardware for direct replacement
- Vehicle-fit confirmation via Amazon Confirmed Fit
Key specifications at a glance
- Thread diameter: 0.551 in
- Center electrode: copper core with iridium tip
- Ground electrode: standard ground configuration, nickel core
- Reach: 26.5 mm
- Pre-gap: 0.044 in
- Heat range: 5
- Seat type: gasket
- Resistance: 5000 ohms
Fitment and usage
This 16-pack is described as compatible with Ram 1500 models featuring 5.7L V8 engines across model years 2011 through 2024. Always double-check your specific year and trim to ensure the proper plug type for your vehicle. The listing notes Amazon Confirmed Fit for confidence during shopping.
Why choose NGK Iridium IX
Iridium IX plugs are crafted for durability and dependable performance. The combination of a fine iridium tip and copper core supports efficient combustion, potentially smoother starts and consistent idle over time. While results vary by vehicle and driving style, these plugs are designed to withstand wear and last longer between maintenance cycles.
Installation and care
Before installation, verify the pre-gap size of 0.044 inches and replace gaskets if needed. Use standard tools to remove old plugs and install the new ones to factory torque specifications for a proper seal and electrical contact.
FAQ
Q: What vehicles is this NGK 16-pack spark plug set designed for?
A: Designed for Ram 1500 5.7L V8 and compatible 5.7L/6.4L V8 applications; verify fit using Amazon Confirmed Fit.
Q: What’s included in the kit and how is it packaged?
A: A 16-pack of genuine NGK Iridium IX spark plugs with original packaging and hardware for direct replacement.
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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