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NGK Racing Spark Plug
Part # 4091 | Line Code: NGK
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Product Details
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Hex Size 5/8"
Resistor Type No
Electrical Terminal Type Non-removable Nut
Thread Diameter 14.0
Grade Type Performance
Washer Included Yes
Ground Electrode Quantity 1
Manufacturer Heat Range 7
Ground Configuration Standard
Ground Electrode Tip Design Standard
Ground Electrode Core Material Nickel Core
Center Electrode Core Material Copper Core
Gap Size 0.032
Center Electrode Tip Material Nickel w/ V-groove
Seat Type Gasket
Reach 0.75
Insulator Height 50.5
Resistance 1.00
Stock Number 4091
Part Number R5671A-7
Heavy Duty Supplier Yes
Alliance Keywords spark plug, bougie d'allumage, bougie
Part Terminology Spark Plug

Features & Benefits
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NGK Racing spark plugs are designed with extreme use in mind and meant to withstand the most grueling racing conditions. NGK Spark Plugs have been powering racing champions and can be found in every racing venue throughout the world. The center electrode of the NGK Racing spark plugs has special configurations and designs to ensure durability and ignitability. NGK Racing plugs bring ultra high performance in a variety of heat ranges. Special configurations are used for a wide variety of racing applications.

Application Summary
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RACING USE
Parts Catalog
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