Champion Copper Plug Number QL82C Spark Plug - 931-1
Autolite Copper Core Spark Plug - 145
NGK Iridium Plug Number MR8AI9 Spark Plug - 7692
SEM Products Marine 12 Ounce Ultra Blue Spray Paint - M25033
Product
Attributes
Warranty
Color
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Ultra Blue
Seat
Gasket
Tapered
Gasket
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Thread Size
M14
M14-1.25
M10-1.0
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Heat Range
82
8
8
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Hex Size (mm)
21mm
16mm
16mm
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Hex Size (in)
13/16 Inch
5/8 Inch
5/8 Inch
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Preset Gap (in)
0.037 To 0.043 Inch
0.040 Inch
0.036 Inch
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Preset Gap (mm)
0.94mm To 1.09mm
1.02mm
0.9mm
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Thread Reach (in)
0.500 Inch
0.431 Inch
0.750 Inch
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Resistor Plug
Yes
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Center Electrode Core Material
Nickel-Copper Alloy
Nickel
Copper
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Center Electrode Tip Material
Copper
Nickel
Iridium
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Approximate Resistor Value (Ohm)
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4000 Ohm
5000 Ohm
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Insulator Height (mm)
56.8mm
57.8mm
50.8mm
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Insulator Height (in)
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2.274 Inch
2 Inch
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Ground Electrode Tip Material
Nickel
Nickel
Nickel
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Thread Reach (mm)
12mm
10.95mm
19mm
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Service Number
QL82C
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MR8AI9
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Actual Net Contents
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12 Ounce
Metallurgy
Copper
Copper
Iridium
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