NGK R5673-9 Spark Plug

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Rating

3.1 / 5 Overall
NGK	R5673-9
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.3 / 5 Design
Standard	V-Cut
Ground type	Center type

Specifications

0.5mm (.020")	9
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
11.6mm (.460")	16mm (5/8")
Reach	Hex size
Tapered	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (3)

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

ITF27

Copper-Iridium

4.3/ 5

.031"11.6mm, ⌀14x1.25HR 27

V59C

Copper

3.5/ 5

.026"11mm, ⌀14x1.25HR 59

AR132

Copper

3.3/ 5

.024"11.6mm, ⌀14x1.25HR 2

Deep reference (6)

A second level of cross-reference: if A=B and B=C, then A=C

ITF27

Copper-Iridium

4.3/ 5

.031"11.6mm, ⌀14x1.25HR 27

V59C

Copper

3.5/ 5

.026"11mm, ⌀14x1.25HR 59

V57C

Copper

3.5/ 5

.026"11mm, ⌀14x1.25HR 57

AR133

Copper

3.3/ 5

.024"11.6mm, ⌀14x1.25HR 3

V59YC

Copper

3.3/ 5

.026"11mm, ⌀14x1.25HR 59

R5674-9

Copper

-

3.1/ 5

.020"11mm, ⌀14x1.25HR 9

One step colder (1)

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

R5673-10

Copper

-

3.1/ 5

.020"11.6mm, ⌀14x1.25HR 10