NGK ILTR6H8G Spark Plug

Verify with Amazon ConfirmedFit before buying

Rating
Brand	Code
4.2 / 5 Overall
NGK	ILTR6H8G
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
0.8mm (.031")	6
⌀14mm	1.25mm
Thread diameter	Thread pitch
25mm (1")	16mm (5/8")
Reach	Hex size
Tapered	Removable Nut
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 (1)

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

ITV22

Copper-Iridium

4.3/ 5

.031"25mm, ⌀14x1.25HR 22

Deep reference (1)

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

LTR7IX-11

Copper-Iridium

3.8/ 5

.043"25mm, ⌀14x1.25HR 7

Same specs (7)

Products that have identical characteristics that impact interchangability

ILTR6A-8G

Iridium-Platinum

4.2/ 5

.031"25mm, ⌀14x1.25HR 6

LTR6CI-8

Iridium-Platinum

4.2/ 5

.031"25mm, ⌀14x1.25HR 6

ILTR6G8G

Iridium-Platinum

4.2/ 5

.031"25mm, ⌀14x1.25HR 6

LTR6DI-8

Iridium-Platinum

4.2/ 5

.031"25mm, ⌀14x1.25HR 6

ILTR6R8G

Iridium-Platinum

4.2/ 5

.031"25mm, ⌀14x1.25HR 6

LTR6IX

Copper-Iridium

3.8/ 5

.031"25mm, ⌀14x1.25HR 6

LTR6GP-8

Copper-Platinum

3.5/ 5

.031"25mm, ⌀14x1.25HR 6

Bigger gap (8)

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

LTR6AI-9

Iridium-Platinum

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

ILTR6M9G

Iridium-Platinum

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

LTR6BI-9

Iridium-Platinum

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

ILTR6F9

Iridium-Platinum

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

LTR6EI-9

Iridium-Platinum

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

ILTR6E11

Iridium-Platinum

4.2/ 5

.043"25mm, ⌀14x1.25HR 6

PLTR6A-10G

Platinum

3.8/ 5

.039"25mm, ⌀14x1.25HR 6

LTR6IX-11

Copper-Iridium

3.8/ 5

.043"25mm, ⌀14x1.25HR 6

One step colder (1)

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

ILTR7N8

Iridium-Platinum

4.2/ 5

.031"25mm, ⌀14x1.25HR 7