Dorman AutoGrade Expansion Plug - 555-020
NGK Copper Plug Number BR8ES Spark Plug - 5422
Dorman AutoGrade 3/8-16 Inch Thread Hex Starter Mounting Bolt - 678-107
Champion Copper Plug Number RDZ19H Spark Plug - 940
Attributes
Warranty
Depth (in)
0.470 Inch
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Material
Steel
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Steel
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Seat
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Gasket
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Tapered
Thread Size
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M14-1.25
3/8-16 Inch
M10
Thread Type
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Medium
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Heat Range
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8
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19
Length (in)
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4-5/16 Inch
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Hex Size (mm)
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15mm
Head Type
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Hex
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Closed End Diameter (in)
1.120 Inch
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Open End Diameter (in)
1.135 Inch
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Hex Size (in)
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13/16 Inch
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5/8 Inch
Open End Diameter (mm)
28mm
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Thread Length (in)
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1 Inch
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Bolt Grade
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Grade 8
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SAE Or Metric
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SAE
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Color/Finish
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Zinc-Plated
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Preset Gap (in)
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0.032 Inch
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0.022 To 0.028 Inch
Preset Gap (mm)
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0.8mm
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Thread Reach (in)
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0.750 Inch
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0.500 Inch
Resistor Plug
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Yes
Center Electrode Core Material
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Copper
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Center Electrode Tip Material
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Nickel
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Nickel
Approximate Resistor Value (Ohm)
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5000 Ohm
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Insulator Height (mm)
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54mm
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Insulator Height (in)
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2.130 Inch
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0.030 Inch
Ground Electrode Tip Material
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Nickel
Thread Reach (mm)
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19mm
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Service Number
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BR8ES
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RDZ19H
Metallurgy
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Copper
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Copper