The DENSO Iridium Long Life plug is fast becoming the standard for high-tech engines. The patented Iridium alloy has broken through the spark plug technology barrier. Employing a revolutionary new 360 degree laser-welding process, DENSO has created a spark plug unlike anything on the market today. Designed for durability under the most extreme conditions, our patented Iridium alloy is six times harder and eight times stronger than conventional Platinum and can handle temperatures in excess of 4,000F. Enjoy more horsepower, faster easier starts, less misfires under heavy loads, plus better conservation of fuel at all times.

• The same plugs factory-installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi.
• Uses the same high performance laser welding process as the high end Iridium Power spark plug.
• Endures extreme temperatures greater than 4,000F associated with high-performance ignition and special fuel systems.
• Iridium is the most corrosion-resistant metal used in plugs today.
• Improve engine horsepower and fuel economy over standard plugs.

Contact Sixity Auto

• If you have any questions you may reach us via our eBay Contact Form.
• Our U.S.-based customer service agents are available Monday through Friday, 9am-5pm PT.

Checkout & Payments

• Sixity accepts payments from Visa, MasterCard, American Express, Discover, and PayPal.
• All orders delivered to California (CA) are charged the applicable sales tax.

Shipping

• We aim to ship all orders placed by 5pm ET, Monday - Friday, the same day.
• All orders placed after 5pm ET will ship next business day (Monday - Friday) after payment is received. We will email you a tracking number when your order ships.
• Standard shipping via UPS Ground / FedEx Ground / USPS Parcel Post with Delivery Confirmation is $.00.
• Expedited shipping via USPS Priority Mail with Delivery Confirmation is $9.99.
• Sorry, no local pickups available.
• We participate in the eBay global shipping program. Please see the 'Shipping and payments' eBay tab above for details on countries outside of the U.S. which we ship to.

Customer Satisfaction

• Sixity Auto stands for value, selection and quality. If you are not satisfied with your purchase please contact us and we'll make it right!
• Our goal is to provide a 5-star experience with our detailed descriptions, clear communications, fast shipping times and low shipping charges.
• We give all our paying customers positive eBay feedback. Please work with us if you have a problem before leaving negative feedback.

Returns and Exchanges

Many of the parts we sell at Sixity Auto only work with specific vehicles. Please double-check the accuracy of your order before purchasing. Check that the reference number, size, and placement are correct.

If you would like to return your new, unopened, and uninstalled part:

1. From your "My eBay" page
2. Click [Buy] > [Purchase History] on the left sidebar
3. Find the item you ordered
4. Below the Leave Feedback button, click [More Actions] > [Return This Item]
5. Select a reason. The most common reason is "Doesn't Fit"
6. Add details like "I tried to install this part and it didn't fit"
7. Click [Request a Return]

Returned parts will be inspected, and a refund given within 5 business days if the part is new, unopened, and uninstalled. Original shipping costs and a restocking fee may be deducted from your refund.

If the item has been opened, installed, or used, we are unable to accept a return due to safety concerns.

About Sixity Auto

Sixity, Inc. launched in 2006 and is based outside of Sacramento, California. We have a dedicated team of product engineers, technicians, and sales staff to bring you the best possible products for your car, truck, motorcycle, snowmobile, or ATV.

• Proud member of the Better Business Bureau, with an A+ Rating.
• Sixity is American-owned and operated.
• Please contact us with any questions about our business or products. All questions are handled locally by personnel in our California offices.