Racing Spark Plug
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NGK Racing Spark Plug

Part No. 4311 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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Center Electrode Core Material:Copper Core
Center Electrode Tip Material:Platinum
Electrode Core Material:Platinum
Electrode Tip Material:Platinum
Gap Size:0.028 in
Ground Configuration:Slant
Ground Electrode Core Material:Platinum
Ground Electrode Quantity:1
Ground Electrode Tip Design:Pin Type
Ground Strap Quantity:1
Hex Size:13/16 in
Manufacturer Heat Range:11
Reach:21.5 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:Laser Platinum
Wrench Diameter:13/16 in
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