NGK SILZKR6B11 6215 Spark Plug

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Rating

4.4 / 5 Overall
NGK	SILZKR6B11
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
4.3 / 5 Design
Square	Fine Wire
Ground type	Center type

Specifications

1.1mm (.043")	6
Gap	Heat range
⌀12mm	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

One step colder (1)

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

SILZKR7B11

Iridium-Platinum

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4.4/ 5

.043"26.5mm, ⌀12x1.25HR 7