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NGK Multi-Ground Spark Plugs for 2006-2010 M6, M5, 2008-2013 M3 - LKR8AP
Part Number: NGK-4471
Spark Plug, Multi-Ground, Gasket Seat, 12mm Thread, 1.040 in. Reach, Resistor, Each
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Estimated Ship Date from Georgia: Monday 11/9/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
LKR8AP
Part Type:
Product Line:
Summit Racing Part Number:
NGK-4471
Item Number:
2151762
UPC:
087295144718
Spark Plug Thread Size:
12mm
Spark Plug Reach (in.):
1.040 in.
Spark Plug Reach (mm):
26.42mm
Spark Plug Seat Style:
Gasket
Manufacturer Heat Range:
8
Shorty Spark Plug:
No
Resistor:
Yes
Electrode Tip Material:
Platinum
Electrode Core Material:
Copper
Center Electrode Type:
Projected
Wrench Diameter:
5/8 in.
Ground Strap Quantity:
Two
Quantity:
Sold individually.
NGK Multi-Ground Spark Plugs
NGK Multi-Ground spark plugs improve ignition capabilities and are less sensitive to increased voltage requirements due to gap growth. They're designed to meet specific manufacturers' ignition requirements. Multi-Ground plugs have all the same features of NGK's standard plugs, including corrugated ribs to prevent flashover. NGK Multi-Ground spark plugs are designed for special ignition demands on specific motorcycle and automobile applications.
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Some parts are not legal for use in California or other states with similar laws / regulations
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