NGK R6850-8 Spark Plug

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Rating

4.2 / 5 Overall
NGK	R6850-8
Brand	Code
4.0 / 5 Materials
Platinum	Platinum
Ground electrode	Center electrode
4.5 / 5 Design
Slant	Fine Wire
Ground type	Center type

Specifications

0.9mm (.035")	8
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	21mm (13/16")
Reach	Hex size
Gasket	Solid
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

IW01-24

Iridium-Platinum

4.5/ 5

.024"19mm, ⌀14x1.25HR 24

Deep reference (5)

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

R7376-8

Iridium-Platinum

4.5/ 5

.024"19mm, ⌀14x1.25HR 8

BR8ECSIX

Copper-Iridium

4.0/ 5

.031"19mm, ⌀14x1.25HR 8

W3DP0

Copper-Platinum

3.9/ 5

.024"19mm, ⌀14x1.25HR 3

242250512

Copper-Platinum

3.9/ 5

.024"19mm, ⌀14x1.25HR 4

R6254E-8

Copper

3.3/ 5

.024"19mm, ⌀14x1.25HR 8

One step colder (1)

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

R6850-9

Platinum

-

4.2/ 5

.035"19mm, ⌀14x1.25HR 9