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About the V-Power. Modern lean-burning, fuel efficient engines create a new set of requirements for spark plugs. NGK Spark Plugs answered the call for a spark plug with lower sparking voltage requirements by developing the V-Power, the only spark plug with a v-groove electrode on the market today. Why is this important? The v-groove center electrode on a V-Power spark plug forces the spark to the outer edge of the ground electrode, placing it closer to the air/fuel mixture. What this does is allow the spark to more quickly ignite the mixture, providing more complete combustion. More complete combustion not only provides more power, it also means less harmful emissions. These emissions are not only damaging to the environment, they can reduce the life of expensive catalytic converters and oxygen sensors. V-Power Spark Plugs also require lower ignition firing voltage, resulting in quicker starts and easier cold weather starts throughout the life of the plugs. Here are some of the features of this plug: Triple-Gasket Sealing Process Virtually eliminates the possibility of combustion gas leakage through the shell. Most other manufacturers only use two seals. Solid-Copper Core Produces a more powerful spark with less firing voltage. Other manufacturers use a copper coated center core. V-Groove Forces the spark to the outer edge of the ground electrode, placing it closer to the air/fuel mixture. This allows the spark to more quickly ignite the mixture, providing more complete combustion. Cold-Rolled Threads For easier removal and installation. Corrosion Resistant Zinc Chromate Coating Double-dipped for maximum protection. An NGK exclusive. Alumina Silicate Insulator Is virtually pure to insure dielectric and physical strength, as well as heat transfer away from the tip for maximum performance. Corrugated Ribs Eliminate flashover, which can cause misfiring and engine damage, especially in damp environments. About the Iridium IX. It may be time to invest in precious metal futures. NGK Iridium Spark Plugs represent the ultimate evolution of spark plug technology and performance. Iridium allows for a center electrode 75 percent the size of a platinum electrode and 24 percent the size of a conventional nickel electrode. The fine electrode tip is engineered for greater ignitability. And it's in the design of the iridium tip that makes Iridium IX a better spark plug. The electrode is not too thin and not too thick. It's just the right size to reduce the voltage required for spark and to maximize the overall longer life qualities of iridium.The result are spark plugs that require less voltage to spark, burns fuel more efficiently, sparks at leaner air/fuel mixtures, and delivers higher horsepower and better gas mileage. NGK's new Iridium IX is the personification of these qualities and takes premium performance spark plugs to a new level. A level that is expected from the world leader in spark plugs. There are two advantages of the TR-55IX. Longevity and gapping. According to NGK, the Iridium IX should last longer than the V-Power Tr-55 and you'll also be able to open the gap up for better performance. We recommend leaving the Iridium IX plugs gapped at .060 as a baseline for your modified engine and tuning from there for your specific car. Be extremely careful when gapping the plugs due to the Iridium center electrode. Choose your plug type and number of cylinders from the selection box below. Please check your application carefully before purchasing these spark plugs - they may not be applicable to your vehicle as they are more of a generic type of product. NOTE: 2006 Impala & Monte Carlo: TR55/IX Compatible with 5.3L V8 only. Not compatible with 3.5L or 3.9L V6
Modern lean-burning, fuel efficient engines create a new set of requirements for spark plugs. NGK Spark Plugs answered the call for a spark plug with lower sparking voltage requirements by developing the V-Power, the only spark plug with a v-groove electrode on the market today. Why is this important? The v-groove center electrode on a V-Power spark plug forces the spark to the outer edge of the ground electrode, placing it closer to the air/fuel mixture. What this does is allow the spark to more quickly ignite the mixture, providing more complete combustion.
More complete combustion not only provides more power, it also means less harmful emissions. These emissions are not only damaging to the environment, they can reduce the life of expensive catalytic converters and oxygen sensors. V-Power Spark Plugs also require lower ignition firing voltage, resulting in quicker starts and easier cold weather starts throughout the life of the plugs.
Here are some of the features of this plug:
It may be time to invest in precious metal futures. NGK Iridium Spark Plugs represent the ultimate evolution of spark plug technology and performance. Iridium allows for a center electrode 75 percent the size of a platinum electrode and 24 percent the size of a conventional nickel electrode.
The fine electrode tip is engineered for greater ignitability. And it's in the design of the iridium tip that makes Iridium IX a better spark plug. The electrode is not too thin and not too thick. It's just the right size to reduce the voltage required for spark and to maximize the overall longer life qualities of iridium.The result are spark plugs that require less voltage to spark, burns fuel more efficiently, sparks at leaner air/fuel mixtures, and delivers higher horsepower and better gas mileage. NGK's new Iridium IX is the personification of these qualities and takes premium performance spark plugs to a new level. A level that is expected from the world leader in spark plugs.
There are two advantages of the TR-55IX. Longevity and gapping. According to NGK, the Iridium IX should last longer than the V-Power Tr-55 and you'll also be able to open the gap up for better performance. We recommend leaving the Iridium IX plugs gapped at .060 as a baseline for your modified engine and tuning from there for your specific car. Be extremely careful when gapping the plugs due to the Iridium center electrode.
Choose your plug type and number of cylinders from the selection box below.
Please check your application carefully before purchasing these spark plugs - they may not be applicable to your vehicle as they are more of a generic type of product.
NOTE: 2006 Impala & Monte Carlo: TR55/IX Compatible with 5.3L V8 only. Not compatible with 3.5L or 3.9L V6
Shipping
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Sometimes a product needs to be returned. Our goal is to make this process as painless as possible. If you receive a product that is incorrect, damaged or inferior, please contact us immediately so we can begin the returns process and make sure you receive what you ordered quickly. For all returns, you must receive a Return Merchandise Authorization (RMA) number.
When you send back an item you no longer want, you have two choices for getting credit, assuming you properly followed all guidelines for returns:
You've Changed Your Mind
If you have ordered and received an item from PFYC.com that you no longer want, please follow the directions in the Returning Items section below. Please note that you are responsible for return shipping, and we will not reimburse you for the original shipping cost.
Incorrect or Damaged Product
If you have received damaged merchandise or have received items that you did not order, please contact us by replying to your e-mail receipt, making sure to copy the contents of the receipt in your e-mail. Simply let us know the error or that the product was damaged, and we'll take care of it at no cost to you, including all shipping charges (up to the original amount you paid for shipping). We will wait to receive and inspect the originally-shipped product prior to shipping a replacement. If a product was damaged during shipping, you must retain all materials until the shipper (UPS, FEDEX, etc.) has had a chance to inspect the package, if they choose. Our policy is to replace damaged or incorrect products. If you choose not to accept a replacement, it is considered a regular return and subject to our return policy guidelines listed above.
Replacement Product
If we sent you something in error, and we send the correct item out but do not get the wrong one back within 10 business days, we will charge your credit card for the full amount of the replacement item or the incorrect item plus shipping, whichever is greater.
Warranty Replacement
If you feel a product you have purchased is defective or has failed under warranty, contact us. We will help determine the likelihood it is defective prior to your returning the product for inspection. This will save you time and money if there happens to be another reason for the problem you are having with the product. Once a product has been determined it may be defective and requires further inspection, we will instruct you as to your next course of action. This next step may vary depending on the guidelines set forth by the manufacturer. Shipping costs for returning parts for inspection and returning the part to you are usually your responsibility depending on the manufacturer and what their warranty policy is. More information can be found in our Customer Service section under the Product Warranties section.
Follow the steps below to return items that you no longer want:
If you have any questions about our return policy, please contact us.