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NGK FR5AHX Spark Plug

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NGK FR5AHX image
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Rating
4.7 / 5
Overall
NGKFR5AHX
BrandCode
4.5 / 5
Materials
PlatinumRuthenium
Ground electrodeCenter electrode
5.0 / 5
Design
Fine WireFine Wire
Ground typeCenter type
Specifications
1.1mm (.043")5
GapHeat range
⌀14mm1.25mm
Thread diameterThread pitch
19mm (3/4")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
Iridium-Platinum
-
4.7/ 5
.043"19mm, ⌀14x1.25HR 16
Iridium-Platinum
-
4.7/ 5
.043"19mm, ⌀14x1.25HR 5

One step colder (2)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)
Iridium-Platinum
-
4.7/ 5
.043"19mm, ⌀14x1.25HR 6
Platinum-Ruthenium
-
4.7/ 5
.043"19mm, ⌀14x1.25HR 6