Are these plugs pre-gapped ?

They should be. THOUGH, and I stress, it wouldn't hurt to check them prior to installing them. I've purchased pre-gapped plugs before and they were off just a bit. 39 vs 44 as an example.

What is the expected milage for these?

40-50k miles (more expensive OE 9029 are rated 80-100k miles). Ref. ngksparkplugsdotcom

Are these 5/8 spark plugs?

These sparkplugs are 14mm or 9/16. Socket fits snug with either one you wish to go with . Strongly suggest the magnetic spark plug socket .

Will this fit a 2015 Nissan rouge sv?

Amazon site should tell if they fit.

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NGK LKAR6AIX-11 Iridium IX Spark Plug (91187 Iridium Ix), 4 Pack

Product ID: 264453355

Details

Brand
NGK
Core material
Iridium
Thread size
14 mm
Top material type
iridium
Vehicle service type
Racecar

⚡Extreme ignitability

🚀Improved throttle response

🛡️Superior anti-fouling

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3108751₫

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Description

Ignite Your Drive! 🚗💨

BUILT TO LAST - Longer insulator nose prevents fouling and enhances longevity.
CORROSION NOT HERE - Trivalent Metal Plating for superior anti-corrosion properties.
PRECISION ENGINEERING - 0.6mm laser-welded Iridium tip for unmatched durability.
STAY AHEAD OF THE GAME - Tapered ground electrode minimizes electrical quenching.
UNLEASH YOUR ENGINES POTENTIAL - Experience extreme ignitability for peak performance.

The NGKLKAR6AIX-11 Iridium IX Spark Plug is engineered for performance enthusiasts, featuring a 0.6mm laser-welded Iridium tip for durability, improved throttle response, and superior anti-fouling capabilities. With a longer insulator nose and triple gasket seal, it ensures optimal performance in high-performance engines while resisting corrosion and wear.

Specifications

ASIN	B07FP438JV
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#32,428 in Automotive ( See Top 100 in Automotive ) #150 in Automotive Performance Spark Plugs
Brand Name	NGK
Compatible with Vehicle Type	Racecar
Core Material	Iridium
Country of Publication	USA
Customer Reviews	4.8 4.8 out of 5 stars (1,640)
Gap Size	0.03 Inches
Global Trade Identification Number	00087295811870
Included Components	Spark Plug (4)
Item Type Name	Spark Plug (91187 Iridium Ix )
Item Weight	181 g
Manufacturer	NGK
Manufacturer Part Number	LKAR6AIX-11
Model Number	LKAR6AIX-11
OEM Equivalent Part Number	LKAR6AIX-11
Thread Size	14 mm
Top Material Type	iridium
UPC	087295811870
Unit Count	4 Count

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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3108751₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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