NGK 2668 Iridium IX Spark Plugs BKR8EIX – 6 Pack for Audi, Porsche & VW 3.0L V6

Overview

Elevate ignition reliability with the NGK 2668 Iridium IX Spark Plugs (BKR8EIX). This 6-pack is designed for modern 3.0L V6 engines found in select Audi, Porsche, and VW applications, delivering a balance of durability, precision, and performance. Each plug features an iridium center electrode and a tapered-cut ground electrode, engineered to promote clean firings, stable idle, and responsive throttle input across a wide range of driving conditions.

What to expect

NGK Iridium IX plugs are crafted for durability and dependable ignition. The fine-wire iridium center electrode minimizes wear, while the tapered ground electrode enhances ignition reliability and reduces fouling potential. The result can translate to smoother starts, steadier idling, and consistent throttle response in everyday driving as well as spirited acceleration.

• Potential for quicker starts and smoother throttle response due to optimized electrode geometry.
• Increased durability from the hard iridium material, supporting longer service life under demanding use.
• Designed to maintain performance across a broad temperature range and driving styles.

Fitment & compatibility

This listing targets select Audi, Porsche, and VW 3.0L V6 models. Always verify the exact part number against your vehicle manual or NGK confirmation before purchasing.

• Audi A6 Quattro (2009–2018) 3.0L V6
• Audi A7 Quattro (2012–2018) 3.0L V6
• Audi A8 Quattro (2013–2018) 3.0L V6
• Audi Q5 (2013–2017) 3.0L V6
• Audi Q7 (2011–2015, 2017–2019) 3.0L V6
• Porsche Cayenne (2011–2018) 3.0L V6
• Porsche Panamera (2012–2016) 3.0L V6
• Volkswagen Touareg (2011–2015) 3.0L V6

Key specifications

• Part Number: BKR8EIX
• Stock Number: 2668
• Center electrode: iridium; pre-gap 0.8 mm (0.032 in)
• Ground electrode: taper-cut; 1 ground electrode
• Reach: 19.0 mm (0.750 in); thread diameter: 14.0 mm (0.551 in)
• Heat range: 8; Resistor: Yes
• Hex size: 16 mm (5/8 in); washer included: Yes

Why choose NGK Iridium IX

NGK is a trusted OEM-grade supplier known for reliability and long-lasting performance. The Iridium IX line combines a fine-wire iridium center electrode with a durable ground electrode design to support stable ignition and durable operation in modern engines. While individual results vary, many drivers notice smoother starts and consistent performance with these plugs. If you’re seeking an upgrade, NGK also offers Ruthenium HX as a potential next step for premium performance.

Important: This description highlights potential benefits based on design features and typical usage. Real-world results depend on your vehicle, maintenance, and driving conditions.