NGK SILMAR7A9S 93675 Spark Plug

View on

Verify with Amazon ConfirmedFit before buying

Rating

4.2 / 5 Overall
NGK	SILMAR7A9S
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.9mm (.035")	7
Gap	Heat range
⌀10mm	1mm
Thread diameter	Thread pitch
26.5mm (1.04")	14mm (9/16")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Bigger gap (1)

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

LMAR7DI-10

Iridium-Platinum

-

4.2/ 5

.039"26.5mm, ⌀10x1HR 7

One step colder (2)

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

LMAR8BI-9

Iridium-Platinum

-

4.2/ 5

.035"26.5mm, ⌀10x1HR 8

SILMAR8A9S

Iridium-Platinum

-

4.2/ 5

.035"26.5mm, ⌀10x1HR 8