Autolite 646BP Nickel Spark Plug

• Shell
• Thread Diameter14mm
• Thread Pitch1.25mm
• Seat TypeGasket
• Reach19mm (3/4")
• Hex Size13/16" (21mm)
• Terminal TypeSolid
• Gap.050" (1.3mm)

• Center Electrode
• MaterialNickel
• TypeStandard
• Size2.5mm
• ProjectionProjected

• Ground Electrode
• MaterialNickel
• TypeStandard
• Quantity1

• Specifications
• ResistorYes
• Heat Range12
• Torque SpecsCast Iron: 26-29 lb. ft. Aluminum: 15-22 lb. ft.

• Part Information
• BrandAutolite
• Warranty2 Years
• Longevity30k Miles

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• 2000
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• 1999
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• 1998
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• 1997
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• 1996
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• 1995
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• 1994
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• 1993
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• 1992
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• 1991
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• 1990
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• 1989
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• 1988
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• 1987
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• 1984
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• 1983
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• 1982
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• 1981
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• 1980
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• 1979
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• 1978
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• 1977
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• 1976
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• 1975
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