Are these ngk 3521 cr9eix iridium ix spark plugs?

These are correct and they perform flawlessly! Ron

Will these fit a 2019 polaris rzr turbo s

To be safe: check with dealer or a cross reference app to be sure. Ron

Will this work on my Harley Davidson 2018 street glide special?

I have a 2017 Road King with the Milwaukee 8 and this is the one it calls for.

Are these the right iridium plugs for an Indian scout 60?

NGK has multiple grades of plugs that may fit your engine. It is recommended to go to NGK site at https://ngksparkplugs.com/en/part-finder to verify the applications that will fit your engine. This site will show you all of the available plugs to fit your engine and will also show you which grade plug is recommended for the best performance of your specific engine.

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NGK CR9EIX - Iridium IX Spark Plug - 4-Pack/-

Product ID: 457717869

Details

Brand
NGK
Core material
Iridium
Thread size
10mm
Top material type
Iridium
Vehicle service type
Car

⚡Iridium core for max spark efficiency

📦4-pack value bundle

🔧Direct OEM replacement fit

€ 91.35

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

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

VALUE PACKED 4 PACK - Stock up and save with a convenient four-pack, designed for hassle-free maintenance.
TOP RATED SPARK PLUG - Join thousands of satisfied drivers with a 4.8-star rating and proven performance.
OEM GRADE RELIABILITY - Genuine NGK parts ensure perfect fit and consistent engine starts every time.
PRECISION IRIDIUM CORE - Experience superior ignition with ultra-durable iridium for enhanced performance and fuel efficiency.
VEHICLE SPECIFIC COMPATIBILITY - Tailored fit for your car model—no guesswork, just seamless installation.

The NGK CR9EIX Iridium IX Spark Plug 4-Pack delivers OEM-quality ignition performance with a durable iridium core, ensuring reliable starts and improved fuel efficiency. Designed as a direct replacement for vehicle-specific fitment, this top-rated spark plug bundle offers exceptional value and trusted NGK craftsmanship.

Specifications

ASIN	B004SKYAWM
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#14,479 in Automotive ( See Top 100 in Automotive ) #71 in Automotive Performance Spark Plugs
Brand Name	NGK
Compatible with Vehicle Type	Car
Core Material	Iridium
Customer Reviews	4.8 4.8 out of 5 stars (590)
Included Components	3521
Item Highlight	Replaces RG6HCC 31600012 31600085 90793-20123 90793-20125 90793-20151 90793-2B125 99000-69835-CR9 999-06910-X9-024 4132.
Item Weight	127 g
Manufacturer	NGK
Manufacturer Part Number	CR9EIX
Model Number	3521
Number of Items	1
OEM Equivalent Part Number	7085731
Thread Size	10mm
Top Material Type	Iridium
Unit Count	1.0 Count

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