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Bosch HR8KII33Y Spark Plug

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Bosch HR8KII33Y image
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Rating
4.5 / 5
Overall
BoschHR8KII33Y
BrandCode
5.0 / 5
Materials
IridiumIridium
Ground electrodeCenter electrode
3.5 / 5
Design
StandardFine Wire
Ground typeCenter type
Specifications
1.5mm (.059")8
GapHeat range
⌀14mm1.25mm
Thread diameterThread pitch
17.5mm (.689")16mm (5/8")
ReachHex size
TaperedSolid
SeatTerminal
1Non-Projected
Ground countProjection

Cross-reference and alternatives

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Same specs (2)

Products that have identical characteristics that impact interchangability
Platinum
3.8/ 5
.059"17.5mm, ⌀14x1.25HR 8
Copper-Platinum
3.5/ 5
.059"17.5mm, ⌀14x1.25HR 8

One step colder (2)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)
Platinum
3.8/ 5
.059"17.5mm, ⌀14x1.25HR 7
Copper-Platinum
3.5/ 5
.059"17.5mm, ⌀14x1.25HR 7