Champion XMJ14 Spark Plug

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Rating

2.9 / 5 Overall
Champion	XMJ14
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

0.65mm (.026")	14
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
9.5mm (3/8")	21mm (13/16")
Reach	Hex size
Gasket	Shielded
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Bigger gap (1)

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

WR9EC0

Copper

-

2.9/ 5

.031"9.5mm, ⌀14x1.25HR 9

One step colder (1)

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

UJ11G

Copper

3.2/ 5

.026"9.5mm, ⌀14x1.25HR 11