NGK BKR8EIX Spark Plug

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Rating
Brand	Code
3.8 / 5 Overall
NGK	BKR8EIX
4.0 / 5 Materials
Copper	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
0.8mm (.031")	8
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

How we find alternative spark plugs How we rate spark plugs

Cross-reference (4)

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

IQ24

Copper-Iridium

4.3/ 5

.031"19mm, ⌀14x1.25HR 24

IK24

Copper-Iridium

4.3/ 5

.031"19mm, ⌀14x1.25HR 24

QC59YC

Copper

3.3/ 5

.030"19mm, ⌀14x1.25HR 59

K24PR-U11

Copper

3.3/ 5

.043"19mm, ⌀14x1.25HR 24

Deep reference (4)

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

IK27

Copper-Iridium

4.3/ 5

.031"19mm, ⌀14x1.25HR 27

R5671A-8

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 8

R5672A-8

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 8

C63YC

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 63

Bigger gap (2)

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

VK24PR-Z11

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 24

IFR8H-11

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 8

One step colder (1)

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

BKR9EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀14x1.25HR 9