Racing Spark Plug
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NGK Racing Spark Plug

Part No. 4216 Warranty Details  

Fit of this part varies by vehicle & equipment specs Type of Fit

Racing plugs offer optimum performance and durability under torturous racing conditions and provide complete combustion and enhanced cooling characteristics.

Product Features:
  • Special center electrode configuration and design ensure durability and ignitability; some use precious metals
  • Features many different ground electrode configurations to ensure durability; some use precious metals
  • Available in colder heat ranges for high-performance applications
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Electrode Core Material:nickel
Electrode Tip Material:nickel
Manufacturer Heat Range:10
Reach:3/4 in
Resistor:Yes
Seat Type:gasket
Shorty Spark Plug:No
Thread Diameter:10 mm
Tip Configuration:Loose
Type:Surface Discharge
Wrench Diameter:5/8 in

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1 Question | 1 Answer
Displaying question 1
  • Q:

    Hi I am interested in picking up about as many of these as you may have in stock. I would like to find out as much info as I can before a big purchase. The picture looks deceiving. I didn't think they had a electrode? Also any other info plus a real picture would help.
    Asked on 3/27/2014 by Scott from IA

    1 answer

    • CUSTOMER CARE

      A:

      Hi Scott, glad to assist you! NGK racing spark plugs are built to withstand the severe mechanical and thermal shock associated with high-revving, high-compression engines. NGK racing plugs feature electrode materials--precious metals like platinum or gold/palladium--for greater durability and low voltage requirements. Fine-wire center and ground electrodes provide better sparking and enhanced ignitability. And, the special arrangement of insulator noses improves throttle response. For more information visit this link. http://www.ngksparkplugs.com/products/spark_plugs/racing.asp?mode=nml

      Answered on 3/31/2014 by Steve from AAP
Displaying question 1

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