This Listing is for 6 BKR8EIX 2668 NGK Iridium IX Spark Plugs. Fitment information is provided in the Product Description below—always verify the correct part number with your vehicle manufacturer, owner’s manual, or NGK directly before purchasing. Offering the quality, reliability and durability you'd expect from an OEM manufacturer, NGK is known for being the world’s leading supplier of OEM spark plugs. 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 fouling prevention. 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. Our customer service staff is ready to help you with any questions or concerns you may have. Contact us today. OverstockDirect offers unbeatable service! This spark plug is compatible with Audi:

• A6 Quattro 2009–2018 3.0L V6
• A7 Quattro 2012–2018 3.0L V6
• A8 Quattro 2013–2018 3.0L V6
• Q5 2013–2017 3.0L V6
• Q7 2011–2015 3.0L V6
• Q7 2017–2019 3.0L V6
• S4 2010–2016 3.0L V6
• S5 2010–2017 3.0L V6
• SQ5 2014–2017 3.0L V6

This spark plug is compatible with Porsche:

• Cayenne 2011–2018 3.0L V6
• Panamera 2012–2016 3.0L V6

This spark plug is compatible with Volkswagen:

• Touareg 2011–2015 3.0L V6

Stock Number: 2668
Part Number: BKR8EIX
Material Grade: Iridium
Resistance (Ohms): 5000.0
Ground Electrode Tip Design: Taper Cut
Ground Configuration: J-Gap
Ground Electrode Core Material: Nickel
Washer Included: Yes
Grade Type: Performance
Electrical Terminal Type: Non-Removable Nut
Center Electrode Core Material: Copper
Center Electrode Tip Material: Iridium
Pre-Gap Size (IN): .032
Pre-Gap Size (MM): 0.8
Ground Electrode Quantity: 1
Hex Size: 5/8" (16mm)
Insulator Height (IN): 1.99
Insulator Height (MM): 50.5
Manufacturer Heat Range: 8
Seat Type: Flat
Reach (IN): 0.750
Reach (MM): 19.0
Thread Diameter (IN): 0.551
Thread Diameter (MM): 14.0
Insulator Material: Ceramic
Resistor Type: Yes
Ground Electrode Tip Material: Nickel
Skirt: No
Center Electrode Insulator Tip Projection (IN): 0.12
Center Electrode Insulator Tip Projection (MM): 3.0
Center Electrode Design: Fine Wire
Washer Type: Crush
Center Electrode Projection: Mid Projection