NGK Racing Spark Plug

NGK Racing Spark Plug

Part Number: 5566
Alternate Part Number: R0373A-11
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In Stock
Est. Delivery: Oct 28-29
Price: $ 89.99
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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: 5566
Weight: 0.08lbs
Center Electrode Core Material: Copper
Center Electrode Design: Fine Wire
Center Electrode Tip Material: Iridium
Drive Size: 5/8 in
Electrical Terminal Type: Stud
Gap - Factory Preset: 0.6 mm = 0.024 in
Ground Electrode Configuration: Single
Ground Electrode Core Material: Platinum
Ground Electrode Design: Retracted
Ground Electrode Tip Material: Platinum
Insulator Material: Ceramic
Insulator Type: Non-Projected
Manufacturer Heat Range Number: 11
Reach (in): 0.75
Resistance (Ω): 5000.0
Resistor: Yes
Seat Style: Gasket
Short Style: No
Thread Size: 10 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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