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NGK - 3981 - Iridium IX Spark Plugs, BR9EIX
atvunlimited (202608)
97.7% positive feedback
Price:
$12.18
Free shipping
Returns:
30 days returns. Seller pays for return shipping.
Condition:
NGK Iridium IX Spark Plugs 3981 Represents the ultimate evolution of spark plugs. Made of Iridium.
- Buy It NowNGK Iridium IX Spark Plugs 3981
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About this product
Product Identifiers
BrandNGK
Manufacturer Part Number3981
eBay Product ID (ePID)171189095
Additional Product Features
Part TypeIridium IX Spark Plugs
All listings for this product
Ratings and Reviews
Most relevant reviews
- Dec 05, 2016
Iridium, it does make a difference....
There is a lot of voodoo science around when it comes to spark plugs. You try to "read" plugs but on specialty set-ups like my supercharged rotary motor a lot of that goes out the window because these engines run richer to begin with and you literally have to "catch them in the act" coming right off cruise or in-town driving which is pretty dicey with traffic. Best advice? Buy a good quality AFR gauge set-up with a Bosch sensor. Being able to see your air/fuel ratios instantly will show you how minor changes can shift economy, power, etc. As opposed to the copper plugs I had always used these plugs definitely are allowing a hotter burn so I could subsequently richen everything from idle to full tilt flat pedal. Noticeable power increase and even picked up about a mile per gallon. Best part is I now have a beautiful deep brown color on plug tips as opposed to the crunchy black color I had before.Verified purchase: YesCondition: New
- Mar 28, 2018
Wow!
Just put this spark plug in a 1999 KX-125. It literally feels like it has twice the horsepower it had before. The low end torque feels like it has doubled also. Highly recommend!!!!Verified purchase: YesCondition: New
- Sep 19, 2019
ngk its great
good priceVerified purchase: YesCondition: New
- Jan 14, 2020
Top...
Excelente vela, como já nos habitou a NGK. Qualidade do material e excelente resposta do motor.Verified purchase: YesCondition: New
- Nov 12, 2019
Wery good!
Wery good!Verified purchase: YesCondition: New
