NGK R0045J-9 Spark Plug

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Rating

3.2 / 5 Overall
NGK	R0045J-9
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.5 / 5 Design
Surface Discharge	Standard
Ground type	Center type

Specifications

1.1mm (.043")	9
Gap	Heat range
⌀10mm	1mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Gasket	Removable Nut
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (1)

Alternative spark plugs found in cross-reference docs provided by manufacturers

RU01-27

Copper-Iridium

3.8/ 5

.043"19mm, ⌀10x1HR 27

Bigger gap (1)

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

RG59V

Copper

3.4/ 5

.050"19mm, ⌀10x1HR 59

One step colder (1)

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

R0045J-10

Copper

-

3.2/ 5

.043"19mm, ⌀10x1HR 10

Two steps colder (1)

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

R0045J-11

Copper

-

3.2/ 5

.043"19mm, ⌀10x1HR 11