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Champion RES12WYPB4 9300 Spark Plug

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Champion RES12WYPB4 9300 image
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Rating
4.2 / 5
Overall
ChampionRES12WYPB4
BrandCode
4.5 / 5
Materials
PlatinumIridium
Ground electrodeCenter electrode
3.5 / 5
Design
StandardFine Wire
Ground typeCenter type
Specifications
1mm (.039")12
GapHeat range
⌀14mm1.25mm
Thread diameterThread pitch
25mm (1")16mm (5/8")
ReachHex size
TaperedRemovable Nut
SeatTerminal
1Non-Projected
Ground countProjection

Cross-reference and alternatives

How we find alternative spark plugs How we rate spark plugs

Bigger gap (1)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it
Iridium-Platinum
-
4.2/ 5
.043"25mm, ⌀14x1.25HR 8

Two steps colder (1)

Two steps colder spark plugs with same characteristics for heavily modified engines (150-200 hp increase)
Iridium-Platinum
-
4.2/ 5
.039"25mm, ⌀14x1.25HR 8