Nickel Spark Plug (BUR9EQ)
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Nickel Spark Plug (BUR9EQ)
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NGK Nickel Spark Plug (BUR9EQ)

Part No. 5777 Warranty Details  

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Corrugated ribs help prevent flashover; high dielectric strength; proper heat transfer; works to eliminate combustion gas leakage; enhanced spark and heat transfer; improved anti-fouling; corrosion resistance.

Product Features:
  • Triple gasket-sealing process virtually eliminates gas leakage past the shell
  • 99% highly pure alumina silicate insulator enables use of longer insulator noses to reduce fouling
  • 3-step trivalent-plating process uses silver chromate and zinc for enhanced corrosion resistance
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Center Electrode Core Material:Copper Core
Center Electrode Tip Material:Nickel
Electrode Core Material:nickel
Electrode Tip Material:nickel
Gap Size:0.056 in
Ground Configuration:Surface Discharge
Ground Electrode Core Material:Nickel Core
Ground Electrode Tip Design:Surface Discharge Type
Hex Size:13/16 in
Manufacturer Heat Range:12
Reach:19 mm
Resistor:Yes
Seat Type:Gasket
Shorty Spark Plug:No
Spark Plug Approximate Resistor Value:5K Ohm
Thread Diameter:14 mm
Tip Configuration:Solid
Type:Standard
Wrench Diameter:13/16 in

REVIEW SNAPSHOT®

by PowerReviews
NGKNickel Spark Plug (BUR9EQ)
 
4.0

(based on 1 review)

Ratings Distribution

  • 5 Stars

     

    (0)

  • 4 Stars

     

    (1)

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  • 1 Stars

     

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Reviewed by 1 customer

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(3 of 3 customers found this review helpful)

 
4.0

DISREGARD THIS PICTURE!

By 

from Gainesville, FL

Pros

  • Heat-range is great
  • Improves Engine Efficiency

Cons

    Best Uses

    • Performance Driving

    Comments about NGK Nickel Spark Plug (BUR9EQ):

    While this picture adds no merit, what-so-ever (since the part number is for the NGK plugs found in a 13B) you should be VERY CAREFUL when picking up a set of plugs! Plugs that have that little 'electrode' doo-hickey, on the bottom are NOT designed for a rotary engine!

    The RX7 plugs are FLAT-FACED, *NOT* pronged!

    Given that, here's my thought on the NGK BUR9EQ and BUR7EQ plugs:

    They're great! The difference is the heat-range, dictated by the '7' or '9,' with the latter being a better plug for running more boost or such.

    While I feel that nearly 7 bucks is a little up there for a plug, they're definitely worth the cost, as they last QUITE a while, under the assumption your CAS and A/F isn't so rich it'll smog out some third-world countries.

    All-in-all, these plugs are great and I recommend running the '9s' unless you're running more than about 400hp.

    • Car & Truck:
    • Auto Enthusiast, Competitive Driver, Mechanic

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