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Autolite Copper Core Spark Plugs 25 Plug, Core, Tapered Seat, 14mm Thread, .460 in. Reach, Partial Projected, Resistor, Each

SKU: ATL25

Spark Plugs

Autolite Copper Core Spark Plugs 25 Plug, Core, Tapered Seat, 14mm Thread, .460 in. Reach, Partial Projected, Resistor, Each

SKU: ATL25

Spark Plugs
A$13.67
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Description

Autolite copper core spark plugs feature a cold-formed steel shell with precision-rolled threads, a full copper core electrode for better performance, and a one-piece terminal post to add strength. The ignition plugs use a copper-glass seal that bonds the insulator and terminal post center electrode together. This ensures full voltage at the spark gap and a 100 percent leak-proof, gas-tight seal. Autolite features an extensive application guide to cover just about everything with an internal combustion engine. Keep your engine running smoothly and reliably with Autolite replacement copper core spark plugs.

Part Type

Spark Plugs

Data: v4.2 - Upd: 2026-09-27 13:16:52

Specifications

Product Attributes - Brand
Autolite
Product Attributes - Manufacturer's Part Number
25
Product Attributes - Part Type
Spark Plugs
Product Attributes - Product Line
Autolite Copper Core Spark Plugs
Product Attributes - UPC
00009100000255
Product Attributes - Spark Plug Thread Size
14mm
Product Attributes - Spark Plug Reach (in.)
0.431 in.
Product Attributes - Spark Plug Reach (mm)
10.95mm
Product Attributes - Manufacturer Heat Range
5
Product Attributes - Shorty Spark Plug
No
Product Attributes - Resistor
Yes
Product Attributes - Electrode Tip Material
Copper
Product Attributes - Electrode Core Material
Copper
Product Attributes - Center Electrode Type
Projected
Product Attributes - Spark Plug Seat Style
Tapered
Product Attributes - Wrench Diameter
5/8 in.
Product Attributes - Ground Strap Quantity
One
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Autolite
StreetFX SKU atl25
SFX Item ID 5177391
Supplier Item Code 5177391
Manufacturer SKU 25
Manufacturer UPC 9100252081
Alternative References 14mm

Compatibility

Application Data
  • UniversalYes
  • MakeAM GENERAL
    ModelHUMMER
    SubmodelBASE
    Beginning Year1995
    Ending Year1996
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesCopper Spark Plug
    Engine VIN CodeD
    Fuel TypeGAS
    RegionUSA
  • MakeAM GENERAL
    ModelHUMMER
    SubmodelBASE
    Beginning Year1995
    Ending Year1996
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Extended Application InformationGap .035 (in)
    Application NotesCopper Resistor
    Engine VIN CodeD
    Fuel TypeGAS
    RegionUSA
  • MakeAM GENERAL
    ModelHUMMER
    SubmodelBASE
    Beginning Year1995
    Ending Year1996
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Extended Application InformationGap .035 (in)
    Application NotesCopper Resistor Spark Plug
    Engine VIN CodeD
    Fuel TypeGAS
    RegionUSA
  • MakeAM GENERAL
    ModelHUMMER
    SubmodelBASE
    Beginning Year1995
    Ending Year1996
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Extended Application InformationGap .035 (in)
    Application NotesCopper Spark Plug
    Engine VIN CodeD
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Engine TypeV8
    Liter5.7
    CID350
    CC5733
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesCopper Spark Plug
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Engine TypeV8
    Liter5.7
    CID350
    CC5733
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesCopper Spark Plug
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Engine TypeV8
    Liter5.7
    CID350
    CC5733
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Extended Application InformationGap .035 (in)
    Application NotesCopper Resistor
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Engine TypeV8
    Liter5.7
    CID350
    CC5733
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Extended Application InformationGap .035 (in)
    Application NotesCopper Resistor Spark Plug
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Engine TypeV8
    Liter5.7
    CID350
    CC5733
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Extended Application InformationGap .035 (in)
    Application NotesCopper Spark Plug
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesCopper Spark Plug
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Extended Application InformationGap .035 (in)
    Application NotesCopper Resistor
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Extended Application InformationGap .035 (in)
    Application NotesCopper Resistor Spark Plug
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Extended Application InformationGap .035 (in)
    Application NotesCopper Spark Plug
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1971
    Ending Year1980
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesCopper Spark Plug
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Application NotesCopper Spark Plug
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Application NotesCopper Spark Plug
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Application NotesCopper Spark Plug
    Engine VIN CodeU
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Application NotesCopper Spark Plug
    Engine VIN CodeU
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Application NotesCopper Spark Plug
    Engine VIN CodeU
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Application NotesCopper Spark Plug
    Engine VIN CodeU
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Extended Application InformationGap .035 (in)
    Application NotesCopper Resistor
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Extended Application InformationGap .035 (in)
    Application NotesCopper Resistor
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Extended Application InformationGap .035 (in)
    Application NotesCopper Resistor Spark Plug
    Fuel TypeGAS
    RegionUSA
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Extended Application InformationGap .035 (in)
    Application NotesCopper Resistor Spark Plug
    Fuel TypeGAS
    RegionUSA

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