NGK LKAR7C-9 Spark Plug

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Rating

2.9 / 5 Overall
NGK	LKAR7C-9
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

0.9mm (.035")	7
Gap	Heat range
⌀12mm	1.25mm
Thread diameter	Thread pitch
26.5mm (1.04")	14mm (9/16")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Bigger gap (2)

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

ILKAR7B11

Iridium-Platinum

4.2/ 5

.043"26.5mm, ⌀12x1.25HR 7

ILKAR7L11

Iridium-Platinum

4.2/ 5

.043"26.5mm, ⌀12x1.25HR 7

One step colder (3)

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

LKAR8BI-9

Iridium-Platinum

4.2/ 5

.035"26.5mm, ⌀12x1.25HR 8

LKAR8AI-9

Iridium-Platinum

4.2/ 5

.035"26.5mm, ⌀12x1.25HR 8

LKAR8A-9

Copper

-

2.9/ 5

.035"26.5mm, ⌀12x1.25HR 8

Two steps colder (1)

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

LKAR9BI9

Iridium-Platinum

4.2/ 5

.035"26.5mm, ⌀12x1.25HR 9