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Champion RS9PYP4 Spark Plug

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Champion RS9PYP4 image
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Rating
3.7 / 5
Overall
ChampionRS9PYP4
BrandCode
4.0 / 5
Materials
PlatinumPlatinum
Ground electrodeCenter electrode
3.0 / 5
Design
StandardTaper Cut
Ground typeCenter type
Specifications
1mm (.039")9
GapHeat range
⌀14mm1.25mm
Thread diameterThread pitch
17.5mm (.689")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

Same specs (2)

Products that have identical characteristics that impact interchangability
Copper-Platinum
3.5/ 5
.039"17.5mm, ⌀14x1.25HR 10
Copper-Platinum
3.3/ 5
.039"17.5mm, ⌀14x1.25HR 10

Bigger gap (1)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it
Copper-Platinum
3.3/ 5
.043"17.5mm, ⌀14x1.25HR 10

One step colder (1)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)
Copper-Platinum
3.5/ 5
.039"17.5mm, ⌀14x1.25HR 7