Performance Overview

NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug; Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability. NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for today's modern vehicles. NGK's patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy.

Specifications

• Stock Number: 91784
• Part Number: LKAR8BHX
• Resistance: 5000
• Ground Electrode Tip Design: Projected Square Platinum Electrode - High Ignitability
• Ground Configuration: Standard
• Ground Electrode Core Material: Copper
• Electrical Terminal Type: Non-Removable Nut
• Center Electrode Core Material: Copper
• Center Electrode Tip Material: Ruthenium
• Gap Size: .032
• Ground Electrode Quantity: 1
• Hex Size: 14
• Insulator Height: 51.00
• Manufacturer Heat Range: 8
• Seat Type: Flat
• Reach: 26.5
• Thread Diameter: 12.00

Key Features

• High Ignitability Projected Square Platinum Electrode Design: Combines 0.6 millimeter ruthenium center with a unique cut-back PSPE ground electrode
• Ruthenium Alloy Center Electrode: NGK's patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
• PSPE Design: Projected square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
• Solid Copper Core: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
• Trivalent Metal Plating: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
• Recommended Usage: Modern vehicles using OE PSPE type spark plugs or for those seeking an aftermarket plug with the latest OE technology

Vehicle Fitment Table

FAQ

Will this fit my vehicle?
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

What part number is this?
The listed part number is 91784.

Is this product designed for direct replacement?
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

Should I confirm fitment before ordering?
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

Common Searches

• Ruthenium HX Spark Plug Box of 4 for INFINITI EX37 Base
• 91784 fitment
• NGK Ruthenium HX Spark Plug Box of 4
• 2013 INFINITI EX37 Base Ruthenium HX Spark Plug Box of 4