Q40 MotorsportsEnter Garage
Log inMEMBER PRICING

Find parts for your vehicle

Start with what you know.All parts
Saved vehicles
Vehicle details

No additional reviewed details

Ready to see available parts

No additional reviewed details are available for this selection. Add make, model or year to refine the results. Check each product’s application before ordering.

Choose make

Choices use the other selected filters. You can also enter a value directly.

Home / Engine / Spark Plugs / NGK Iridium IX Spark Plug Box of 4 (DPR9EIX-9)
NGK Iridium IX Spark Plug Box of 4 (DPR9EIX-9)Representative image
Appearance and included parts may differ. Image availability does not confirm fitment or availability.
NGK

NGK Iridium IX Spark Plug Box of 4 (DPR9EIX-9)

PART 5545CATEGORY Spark Plugs
$90.60
$90.60
1

Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Product description

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability.

DPR9EIX-9, Sold Individually, for Box Order: 4

NGK Iridium IX Spark Plug

Features

RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs

Trivalent metal plating for superior anti-corrosion and anti-seizing properties

Outstanding acceleration, high fuel efficiency and durability

Fine iridium tip ensures durable and consistent spark

Manufacturer application notes

LAMBORGHINI COUNTACH 1989-85, DIABLO 1991, LM002 1990-86; M/C - 2005-1985 HONDA, 2005-1983 KAWASAKI, 1992 KTM, 1995-1985 SUZUKI, 1993-1992 YAMAHA

Supplier category
Ignition
Supplier subcategory
Spark Plugs
UPC / barcode
87295155455
Alternate part number
DPR9EIX-9
Units per product
4
Supplier Proposition 65 status
Unknown
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
No
CARB acknowledgement required
No
Freight delivery required
No
Powersports product
No
More manufacturer information

Other product descriptions

NGK Iridium IX Spark Plug Box of 4 (DPR9EIX-9)

Iridium IX Spark Plug

About the manufacturer

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.

Additional manufacturer information

Spark Plug

Explore the 3D garage

Chevrolet Corvette C8 · Subaru WRX VA · Mazda Miata NA · Ford Mustang S197 · BMW 3 Series E46 · Honda S2000 AP1 · BMW M3 E30 · Honda Civic 11th generation · Audi S4 B5 · Ford Mustang S550 · BMW M3 E46 · Chevrolet Corvette C6 · Chevrolet Camaro 5th generation · BMW M3 E36 · Chevrolet Corvette C7 · Integra 3rd gen · Integra 2nd gen · Illustrative previews

Enter Garage