NGK R2525-10 Spark Plug

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Rating

3.8 / 5 Overall
NGK	R2525-10
Brand	Code
3.5 / 5 Materials
Copper	Platinum
Ground electrode	Center electrode
4.5 / 5 Design
Slant	Fine Wire
Ground type	Center type

Specifications

0.6mm (.024")	10
Gap	Heat range
⌀12mm	1.25mm
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 (6)

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

IXU01-31

Iridium-Platinum

4.5/ 5

.024"19mm, ⌀12x1.25HR 31

A57R

Copper

3.3/ 5

.020"19mm, ⌀12x1.25HR 57

AR4133

Copper

3.2/ 5

.024"19mm, ⌀12x1.25HR 2

A57C

Copper

2.9/ 5

.026"19mm, ⌀12x1.25HR 57

RA2HC

Copper

2.9/ 5

.024"19mm, ⌀12x1.25HR 2

A51R

Copper

2.9/ 5

.033"19mm, ⌀12x1.25HR 7

Deep reference (2)

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

D7EA

Copper

2.9/ 5

.028"19mm, ⌀12x1.25HR 7

DCPR9E

Copper

2.9/ 5

.035"19mm, ⌀12x1.25HR 9

One step colder (1)

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

IXU01-34

Iridium-Platinum

4.5/ 5

.024"19mm, ⌀12x1.25HR 34