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NGK Standard Series Spark Plugs
Spark Plug, Standard Series, Gasket Seat, 14mm Thread, .500 in. Reach, Non-Resistor, Each
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Estimated Ship Date: Monday 3/16/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
BU8H
Part Type:
Product Line:
Summit Racing Part Number:
NGK-6431
UPC:
087295164310
Spark Plug Thread Size:
14mm
Spark Plug Reach (in.):
0.500 in.
Spark Plug Reach (mm):
12.70mm
Spark Plug Seat Style:
Gasket
Manufacturer Heat Range:
8
Shorty Spark Plug:
No
Resistor:
No
Electrode Tip Material:
Nickel alloy
Electrode Core Material:
Copper
Center Electrode Type:
Non-projected
Wrench Diameter:
13/16 in.
Ground Strap Quantity:
One
Quantity:
Sold individually.
NGK Standard Series Spark Plugs
NGK Standard Series spark plugs are designed for stock replacement applications. These plugs have a hotter spark, which means better combustion—and that improves performance, while producing less harmful emissions. They're available in a variety of options for both universal and specific vehicle applications. Get the spark plugs used by winning racers: NGK Standard Series.
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