Champion XC12YC SE Spark Plug

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Rating
Brand	Code
2.9 / 5 Overall
Champion	XC12YC SE
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications
Gap	Heat range
0.75mm (.030")	12
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

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Same specs (6)

Products that have identical characteristics that impact interchangability

71EZ

Copper-Iridium

3.8/ 5

.030"19mm, ⌀14x1.25HR 12

RC12PYP3

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3.6/ 5

.030"19mm, ⌀14x1.25HR 12

5071

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.030"19mm, ⌀14x1.25HR 12

946-1

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2.9/ 5

.030"19mm, ⌀14x1.25HR 12

QC12YC

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2.9/ 5

.030"19mm, ⌀14x1.25HR 12

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2.9/ 5

.030"19mm, ⌀14x1.25HR 12

Bigger gap (10)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it

RC11WYPB4

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4.2/ 5

.041"19mm, ⌀14x1.25HR 11

9003S

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4.2/ 5

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FR8DPP33+

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3.8/ 5

.039"19mm, ⌀14x1.25HR 8

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3.8/ 5

.039"19mm, ⌀14x1.25HR 11

ZFR5BGP

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3.5/ 5

.039"19mm, ⌀14x1.25HR 5

RC11ZYC4

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2.9/ 5

.039"19mm, ⌀14x1.25HR 11

71-1

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2.9/ 5

.035"19mm, ⌀14x1.25HR 12

71C2

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2.9/ 5

.035"19mm, ⌀14x1.25HR 12

71CC

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One step colder (3)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)

RC10YC

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2.9/ 5

.030"19mm, ⌀14x1.25HR 10

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2.9/ 5

.030"19mm, ⌀14x1.25HR 10

RC10YC OBS

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2.9/ 5

.030"19mm, ⌀14x1.25HR 10

Two steps colder (8)

Two steps colder spark plugs with same characteristics for heavily modified engines (150-200 hp increase)

9801S

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4.2/ 5

.030"19mm, ⌀14x1.25HR 8

RC8WYPB3

Iridium-Platinum

4.2/ 5

.030"19mm, ⌀14x1.25HR 8

RC8PYPB

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3.8/ 5

.030"19mm, ⌀14x1.25HR 8

RC7PYCBX

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3.5/ 5

.030"19mm, ⌀14x1.25HR 7

RC7PYCB

Copper-Platinum

3.5/ 5

.030"19mm, ⌀14x1.25HR 7

RC8PYCBX

Copper-Platinum

3.5/ 5

.030"19mm, ⌀14x1.25HR 8

RC8YC

Copper

2.9/ 5

.030"19mm, ⌀14x1.25HR 8

RC7YC3

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2.9/ 5

.030"19mm, ⌀14x1.25HR 7