NGK93911 LKR7AIX Iridium IX Spark Plug, Pack of 4

Q: What is the correct torque on these?

Sorry I don't know, but like with any spark plug, just snug them down. They aren't going anywhere

Q: Are these plugs pre gaped?

You must always check the gap on spark plug replacements against recommended gap for that specific plug. Even plugs that are pre-gapped can have discrepancies due to shipping and handling. - worked at a auto parts store for years

Q: Will this fit perfect in my 2012 c250 coupe?

Not sure but it fit perfectly in my s550 benz.

Q: Do i have to game these? what to gap with? and what size socket is required?

You do not have to gap them. It is a 5/8 deep socket.

4.6/5

Product ID: 261588855

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Details

Brand
NGK
Core material
Iridium
Gap size
0.6
Top material type
Metal
Vehicle service type
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⚡0.6mm Iridium tip for extreme ignitability

🔥High melting point for superior heat resistance

🔧Triple gasket seal prevents combustion gas leaks

Frequently Bought Together

NGK 93911 LKR7AIX Iridium IX Spark Plug, Pack of 4

NGK 93911 LKR7AIX Iridium IX Spark Plug

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Description

⚡ Ignite your drive with NGK Iridium IX – where precision meets power!

OPTIMIZED DESIGN - Tapered ground electrode minimizes quenching effect for smoother, more powerful combustion.
FLASHOVER DEFENSE - Corrugated insulator ribs prevent flashover, maintaining consistent spark delivery.
ENDURANCE ENGINEERED - Iridium alloy withstands extreme heat and electrical wear for long-lasting performance.
LEAK PROOF RELIABILITY - Triple gasket seal ensures zero combustion gas leakage, maximizing engine efficiency.
PRECISION IGNITION POWER - Laser-welded 0.6mm Iridium tip delivers unmatched spark stability and throttle response.

The NGK 93911 LKR7AIX Iridium IX Spark Plug pack of 4 features a 0.6mm laser-welded iridium tip for superior ignitability and durability. Designed for high-performance engines, it offers enhanced throttle response, a triple gasket seal to prevent combustion gas leaks, and a tapered ground electrode to reduce quenching. Its high melting point iridium alloy ensures exceptional heat resistance and longevity, making it the go-to choice for performance enthusiasts.

Specifications

Manufacturer	NGK
Brand	NGK
Model	93911-4PK
Product Dimensions	9.4 x 2.39 x 8.43 cm; 181.44 g
Item model number	93911-4PK
Manufacturer Part Number	93911-4PK
Item Weight	181 g

Have a Question? See What Others Asked

What is the correct torque on these?

Are these plugs pre gaped?

Will this fit perfect in my 2012 c250 coupe?

Do i have to game these? what to gap with? and what size socket is required?

Common Questions

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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