NGK Racing Spark Plug

NGK Racing Spark Plug

Part Number: 7891
Alternate Part Number: R5724-9
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In Stock
Est. Delivery: Oct 30-31
Price: $ 3.19
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Features & Benefits

With an exceptional pedigree of proven race results, NGK Racing Spark Plugs are specially designed plugs for extreme conditions. Intended for racing use only, racing spark plugs are designed with extreme use in mind as some feature special ground electrode and center electrode designs to withstand grueling racing conditions. Racing plugs are available in colder heat ranges for high performance applications.

  • Center Electrode Design –special center electrode configurations and designs to ensure durability and ignitibility; some use precious metals.
  • Many different ground electrode configurations to ensure durability.
  • Racing plugs are available in colder heat ranges for high performance applications.
  • Proven race results
Product Details
Part Number: 7891
Weight: 0.10lbs
Spark Plug
14 mm. Thread Size
5/8 in. Drive Size
0.6 mm. Factory Preset Gap
Projected Insulator Type
Center Electrode Core Material: Copper
Center Electrode Design: Standard / Regular
Center Electrode Tip Material: Nickel
Drive Size: 5/8 in
Electrical Terminal Type: Non-Removable Nut
Gap - Factory Preset: 0.6 mm = 0.024 in
Ground Electrode Configuration: Single
Ground Electrode Core Material: Nickel
Ground Electrode Tip Material: Nickel Alloy
Insulator Material: Ceramic
Insulator Type: Projected
Manufacturer Heat Range Number: 9
Reach (in): 0.7079
Resistance (Ω): 0.0
Resistor: No
Seat Style: Tapered
Short Style: No
Thread Size: 14 mm
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
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