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

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

Will this fit perfect in my 2012 c250 coupe?

Not sure but it fit perfectly in my s550 benz.

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.

Ngk 93911 Lkr7aix Iridium Ix Spark Plug Pack Of 4

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

⚡ Ignite your ride with precision and power — don’t get left in the dust!

LEAK PROOF DESIGN - Triple gasket seal and corrugated insulator ribs eliminate flashover and combustion gas leakage.
ENDURANCE ENGINEERED - Iridium alloy withstands extreme heat and electrical wear for long-lasting performance.
PRECISION IGNITION POWER - Laser-welded 0.6mm Iridium tip delivers unmatched spark stability and throttle response.
OPTIMIZED SPARK EFFICIENCY - Tapered ground electrode minimizes quenching effect for maximum ignition efficiency.
VERSATILE HIGH PERFORMANCE FIT - Compatible with a wide range of vehicles from watercraft to street sport motorcycles.

The NGK 93911 LKR7AIX Iridium IX Spark Plug pack of 4 features a laser-welded 0.6mm iridium tip for superior ignitability and throttle response. Engineered with a high melting point iridium alloy, it offers exceptional durability against heat and electrical wear. Its triple gasket seal and corrugated insulator design prevent combustion gas leaks and flashover, ensuring consistent performance across various high-performance vehicles including motorcycles, ATVs, and watercraft.

Specifications

ASIN	B01DMFGQ52
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#1,136,966 in Automotive ( See Top 100 in Automotive ) #5,912 in Automotive Replacement Spark Plugs
Brand	NGK
Brand Name	NGK
Compatible with Vehicle Type	Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles
Core Material	Iridium
Customer Reviews	4.4 out of 5 stars 289 Reviews
Global Trade Identification Number	00087295839119
Included Components	NGK (93911-4PK) LKR7AIX Iridium IX Spark Plug, Box of 4
Item Weight	0.4 Pounds
Manufacturer	NGK
Manufacturer Part Number	93911-4PK
Manufacturer Warranty Description	Includes manufacturer provided warranty
Model Number	93911-4PK
OEM Equivalent Part Number	93911-4PK
Thread Size	12mm x 26.5mm
Top Material Type	Metal
UPC	087295839119
Unit Count	4.0 Count
Vehicle Service Type	Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles Vehicle Service Type Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles See more

Reviews

M**N

21.01.2024

D**N

11.04.2020

A**E

9.07.2023

B**L

9.07.2025

Z**V

30.05.2019

E**T

24.12.2023

K**N

3.04.2024

R**M

7.11.2023

H**.

21.02.2020

K**R

14.08.2020

R**Y

22.02.2026

M**S

11.08.2019

B**W

1.03.2020

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NGK 93911 LKR7AIX Iridium IX Spark Plug, Pack of 4

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