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Champion 446C2 Spark Plug

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Rating
2.9 / 5
Overall
Champion446C2
BrandCode
3.0 / 5
Materials
CopperCopper
Ground electrodeCenter electrode
2.8 / 5
Design
StandardStandard
Ground typeCenter type
Specifications
1mm (.039")12
GapHeat range
⌀14mm1.25mm
Thread diameterThread pitch
26.5mm (1.04")16mm (5/8")
ReachHex size
GasketSolid
SeatTerminal
1Non-Projected
Ground countProjection

Cross-reference and alternatives

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Same specs (2)

Products that have identical characteristics that impact interchangability
Copper-Platinum
3.5/ 5
.039"26.5mm, ⌀14x1.25HR 5
Copper
-
2.9/ 5
.039"26.5mm, ⌀14x1.25HR 12

Bigger gap (1)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it
Copper-Iridium
3.8/ 5
.043"26.5mm, ⌀14x1.25HR 5

Two steps colder (1)

Two steps colder spark plugs with same characteristics for heavily modified engines (150-200 hp increase)
Platinum
3.8/ 5
.039"26.5mm, ⌀14x1.25HR 7