Part Number: 97138

Description: NGK Iridium IX Spark Plug

Part Number: ZFR6AIX-11S

Resistance: 5000.0

Ground Electrode Tip Design: Taper Cut

Ground Configuration: Standard

Ground Electrode Core Material: Nickel

Electrical Terminal Type: Non-Removable Nut

Center Electrode Core Material: Copper

Center Electrode Tip Material: Iridium

Pre-Gap Size: .044

Ground Electrode Quantity: 1

Hex Size: 5/8

Insulator Height: 53.00

Manufacturer Heat Range: 6

Seat Type: Flat

Reach: .75

Thread Diameter: 14.00

Notes: Sold as 4pcs

Fitment: 04-08 Acura TL 3.2L / 3.5L

Details:

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.

Features and Benefits

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

• Fine iridium tip ensures durable and consistent spark

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

• Outstanding acceleration, high fuel efficiency and durability