Cart
0
Ngk Iridium Ix Spark Plug Wr5Ix (8 Pack) For Ford Mustang Shelby Gt-350 1965-1967 4.7L/289
Couldn't load pickup availability
Vendor: Ngk
Type: Spark Plugs & Wires
Sku: WBCARB07Z5J5JQK
Available: Sold Out
Sold by Carkart, an authorized reseller.
Returns accepted within 30 days | support@carkart.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 1–3 business days
- Estimated Delivery: 3–5 business days after dispatch
- Double-boxed, fully insured & discreetly packaged
- Tracking number sent via email once dispatched
- Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · 25% restocking fee applies
All returns require a Return Authorization (RA) number before sending.
View Full Return & Refund Policy
⚠️ California Proposition 65 Warning :
Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Guarantee safe checkout
Ngk Iridium Ix Spark Plug Wr5Ix (8 Pack) For Ford Mustang Shelby Gt-350 1965-1967 4.7L/289
$107.38
FAQs
Have a question ? We are here to help.
Is the shipping free?
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
- Q: What materials are used in the NGK Iridium IX Spark Plug? A: The spark plug features an iridium center electrode and a copper core. Iridium is the hardest material used in spark plugs today.
- Q: What are the dimensions of the NGK Iridium IX Spark Plug? A: The spark plug measures three point thirty-one inches in length, zero point ninety-four inches in width, and six point sixty-five inches in height. These dimensions ensure a proper fit in the engine.
- Q: What is the spark plug thread size for this model? A: The spark plug has an eighteen millimeter thread size. This is standard for many high-performance applications.
- Q: How do I install the NGK Iridium IX Spark Plug? A: To install, remove the old spark plug and clean the socket. Then, screw in the new spark plug by hand, followed by tightening it with a wrench. Ensure proper torque to avoid damage.
- Q: Is this spark plug suitable for my Ford Mustang Shelby GT-350? A: Yes, this spark plug is specifically designed for the Ford Mustang Shelby GT-350 from nineteen sixty-five to nineteen sixty-seven. It fits perfectly with the four point seven liter engine.
- Q: Can I use this spark plug in other vehicle models? A: While it is optimized for the Ford Mustang Shelby GT-350, compatibility may vary. Always check your vehicle’s specifications before use.
- Q: How should I care for and store the NGK Iridium IX Spark Plug? A: Store the spark plugs in a cool, dry place to avoid moisture. Do not touch the electrode with your fingers to prevent contamination before installation.
- Q: What is the lifespan of the NGK Iridium IX Spark Plug? A: The iridium construction enhances durability, typically resulting in a lifespan of up to one hundred thousand miles. Regular inspections are recommended for optimal performance.
- Q: How do I keep my spark plugs in good condition? A: Regularly check for signs of wear, such as corrosion or buildup. Replace them as needed to maintain engine performance.
- Q: Is this spark plug better than standard copper plugs? A: Yes, the NGK Iridium IX Spark Plug outperforms standard copper plugs by providing a more stable spark and longer lifespan due to its advanced materials.
- Q: Can I use this spark plug for high-performance racing? A: Yes, the NGK Iridium IX is designed for high-performance applications, making it suitable for racing and high-stress environments.
- Q: What if my spark plug arrives damaged? A: If the spark plug arrives damaged, contact the seller immediately for a replacement or refund. Keep the original packaging for reference.
- Q: What is the return policy for this spark plug? A: Typically, there is a thirty-day return policy for unused items. Check with the retailer for specific details regarding returns.
- Q: How can I tell if my spark plug needs to be replaced? A: Signs include engine misfires, poor fuel economy, and difficulty starting. Regular inspection can help identify when to replace spark plugs.
- Q: Do these spark plugs come with a warranty? A: Yes, NGK often provides a warranty on their spark plugs. Check the packaging or retailer for specific warranty details.
- Q: What is the heat range of the NGK Iridium IX Spark Plug? A: The heat range for this spark plug is five. This ensures optimal performance for most standard and high-performance applications.