NGK LZFR5BI-11 Spark Plug

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Rating

4.2 / 5 Overall
NGK	LZFR5BI-11
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

1.1mm (.043")	5
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
26.5mm (1.04")	16mm (5/8")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (2)

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

IKH16TT

Iridium-Platinum

4.7/ 5

.039"26.5mm, ⌀14x1.25HR 16

PKH16TT

Platinum-Titanium

3.7/ 5

.039"26.5mm, ⌀14x1.25HR 16

Deep reference (15)

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

DILFR5A11

Iridium-Platinum

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 5

DILFR5A-11D

Iridium-Platinum

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 5

DILFR5E11

Iridium-Platinum

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 5

DILFR5A11

Iridium-Platinum

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 5

DILFR5A-11D

Iridium-Platinum

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 5

DILFR5E11

Iridium-Platinum

4.7/ 5

.043"26.5mm, ⌀14x1.25HR 5

ILFR5B11

Iridium-Platinum

-

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 5

ILFR5T11

Iridium-Platinum

-

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 5

ILFR5B11

Iridium-Platinum

-

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 5

ILFR5T11

Iridium-Platinum

-

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 5

PLFR5A-11

Platinum

3.8/ 5

.043"26.5mm, ⌀14x1.25HR 5

LFR5AIX-11

Copper-Iridium

3.8/ 5

.043"26.5mm, ⌀14x1.25HR 5

PLFR5A-11

Platinum

3.8/ 5

.043"26.5mm, ⌀14x1.25HR 5

LFR5AGP

Copper-Platinum

3.5/ 5

.039"26.5mm, ⌀14x1.25HR 5

LFR5AGP

Copper-Platinum

3.5/ 5

.039"26.5mm, ⌀14x1.25HR 5

Same specs (2)

Products that have identical characteristics that impact interchangability

LZFR5CI-11

Iridium-Platinum

-

4.2/ 5

.043"26.5mm, ⌀14x1.25HR 5

LZFR5C-11

Copper

2.9/ 5

.043"26.5mm, ⌀14x1.25HR 5

Bigger gap (1)

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

242229764

Iridium

4.5/ 5

.049"26.5mm, ⌀14x1.25HR 8

One step colder (2)

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

PLZFR6A-11S

Platinum

3.8/ 5

.043"26.5mm, ⌀14x1.25HR 6

LZFR6AP11GS

Copper-Platinum

3.5/ 5

.043"26.5mm, ⌀14x1.25HR 6