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  • NGK (6681) DR8EIX Iridium IX Spark Plug, Pack of 1
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NGK (6681) DR8EIX Iridium IX Spark Plug, Pack of 1

by NGK
42 customer reviews

List Price: $10.50
Price: $8.49 & FREE Shipping on orders over $35. Details
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  • Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling
  • The 0.6mm laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect
  • Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage
  • Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines
  • Trivalent metal plating has superior anti-corrosion and anti-seizing properties
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$8.49 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

NGK (6681) DR8EIX Iridium IX Spark Plug, Pack of 1 + K&N KN-143 Powersports High Performance Oil Filter + NGK (7162) DR8EA Standard Spark Plug, Pack of 1
Price for all three: $21.16

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Product Information

Size: Single | Color: --
Technical Details
BrandNGK
Item Weight0.8 ounces
Product Dimensions9 x 3 x 3 inches
Item model numberDR8EIX
Manufacturer Part NumberDR8EIX
OEM Part Number 6681
  
Additional Information
ASINB000COTP9Q
Best Sellers Rank #13,591 in Automotive (See top 100)
Shipping Weight0.8 ounces (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableDecember 2, 2005
  
Warranty & Support
Warranty, Parts: Parts
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Product Description

Size:Single  |  Color:--

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The 0.6mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines. Trivalent metal plating has superior anti-corrosion and anti-seizing properties.


Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

5 of 5 people found the following review helpful By jimmy751 on August 14, 2012
Size: SingleColor: -- Verified Purchase
these are fantastic plugs, i've seen a noticeable improvement in fuel economy on my BMW F650GS. but the plugs didn't come with the screw-on top caps! this left me totally hosed, no parts store sells the caps individually so i had to buy a pair of cheap plugs just to take the connector caps off of them and put them on the NGK plugs. seriously, why not include them? (note, the picture shows the plug with the top cap, it is inaccurate)
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4 of 4 people found the following review helpful By SPS on September 14, 2011
Size: SingleColor: -- Verified Purchase
I purchased one of these expensive spark plugs ($8.00)for my old Honda ATV which runs great but sometimes takes a couple of pushes on the starter button to fire it up; I replaced a fairly new NGK "normal" $3 spark plug just to see if there would be a noticable difference.....there was. It fired up before I could release the start button and did not need any choke. Runs better too. I used to have to let the ATV warm up or it would hesitate slightly going from 1st gear to 2nd gear, now it requires zero warm up. I should get paid by NGK for this write up....but it is a superior spark plug with at least my application.
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3 of 3 people found the following review helpful By Ronald A. Westman on September 12, 2013
Size: SingleColor: -- Verified Purchase
Good sparkplug. Price is a little high, but I am sure this spark plug is not used by many vehicles.

PLEASE NOTE: the spark plugs did NOT come with the post at the top. I was lucky to have some old spark plugs I could remove the post from and put on these (both spark plugs have a threaded post). Not a major problem, just be prepared before you start your project.
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3 of 3 people found the following review helpful By mamastarfish on January 9, 2014
Size: SingleColor: -- Verified Purchase
NGK is a very well known and reliable company. I use these plugs in my 1976 cb750 and they work great.
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4 of 5 people found the following review helpful By Tulio Elias Sampayo on December 7, 2011
Size: 4-PackColor: -- Verified Purchase
Yo vivo en Bogotá colombia y a veces es difícil conseguir bujías con punta de iridio. cuando se consiguen el precio es muy elevado. Las compre para mi moto y solo he usado una y sentí un cambio inmediato el la fuerza del empuje. Ya lleva 3 mese puesta y creo que voy a quedarme con otra bujía mas como repuesto y vendere las otras dos.
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2 of 2 people found the following review helpful By Thomas Pettus on September 14, 2013
Size: SingleColor: -- Verified Purchase
I love these plugs. Got them with new 5K caps for my F650, and they are awesome. No problems at all
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1 of 1 people found the following review helpful By Discerning Purchaser on November 11, 2013
Size: SingleColor: -- Verified Purchase
Spark plugs are all the same, right? Not so much apparently. After doing some research on the subject, I found that since Iridium is so much more tolerant of heat and abuse, the center electrode can be a fine wire which creates a tighter and more consistent spark and will not melt when it gets up to combustion temps. I noticed immediately that my bike ran better- after the engine warmed up, I found I had to turn the idle down a bit. Engine revs quicker and starts much easier- noticeably so. The old plugs only had 3k miles in a Honda 750 4cyl and were tan and fairly clean.
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1 of 1 people found the following review helpful By Maximus Decimus Meridius on November 18, 2011
Size: SingleColor: -- Verified Purchase
I swapped out my original plug in an older quad. This is a good performing plug and runs well in any type of weather. The original plug was dark and carboned up, after a year of use with the new iridium NGK I checked it out and it looked almost brand new. It must have a larger spark pattern for better ignition.
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NGK (6681) DR8EIX Iridium IX Spark Plug, Pack of 1
This item: NGK (6681) DR8EIX Iridium IX Spark Plug, Pack of 1
Price: $8.49
Ships from and sold by Amazon.com