NGK LKAR7BIX-11S Iridium IX Spark Plug (93501) 4 Pack | High-Performance Ignition
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Description
xOverview
Meet NGK LKAR7BIX-11S Iridium IX spark plugs (93501) — engineered for performance enthusiasts who demand crisp ignition and reliable operation under higher heat and load. This 4-pack is designed to be ready for modern engines that rely on precise, repeatable sparks for a smoother drive.
Key benefits
- Extreme ignitability and faster ignition can contribute to crisper throttle response.
- Superior anti-fouling design helps maintain consistent performance across driving conditions.
- 0.6 mm laser-welded fine Iridium tip delivers a durable, stable spark for long-term reliability.
- Tapered ground electrode minimizes electrical quenching, supporting reliable ignition across RPM ranges.
Design and durability
- Longer insulator nose helps prevent fouling during extended use and high-demand driving.
- Corrugated insulator ribs reduce flashover risk for dependable operation in harsh environments.
- Triple gasket seal eliminates combustion gas leakage, contributing to sealing integrity.
- Iridium alloy offers a high melting point, helping the plug resist heat and electrical wear in today’s engines.
- Trivalent Metal Plating provides anti-corrosion and anti-seize properties, supporting longevity.
Real-world use cases include spirited daily driving and high-load scenarios where consistent ignition and throttle response matter. Individual results may vary based on vehicle, condition, and driving style.
Installation notes
Follow manufacturer guidelines and consult your vehicle manual to confirm compatibility. Proper torque and gap settings are essential for optimal performance.
FAQ
Q: What makes NGK LKAR7BIX-11S Iridium IX plugs performance-oriented?
A: They feature a fine Iridium tip, tapered ground electrode, and anti-fouling design to enhance ignition reliability.
Q: How many spark plugs are included in the NGK LKAR7BIX-11S 4-pack?
A: The set includes four Iridium IX spark plugs ready for installation.
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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