NGK Iridium IX BKR8EIX Spark Plug 2668 High Performance Engine Replacement
Part # 2668 SKU 394715
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NGK
NGK Iridium IX BKR8EIX Spark Plug 2668 High Performance Engine Replacement
Highlights
- Center electrode core material
- Copper
- Center electrode tip material
- Iridium
- Configuration
- Standard
- Fuel type
- Gasoline
- Ground electrode design
- Taper Cut
- Ground electrode material
- Nickel
- Hex size
- 5/8 in (16 mm)
- Installation depth
- 0.75 in (19 mm Reach)
- Insulator height
- 50.5 mm
- Item length
- 2.5 in
- Manufacturer heat range
- 450 °C
- Material
- Iridium
- Pre-gap size
- 0.032 in (0.8 mm)
- Reach
- 0.75 in (19 mm)
- Resistor type
- Yes (5k Ohm)
- Seat type
- Flat
- Stock number
- 2668
- Thread diameter
- 14 mm
- Type
- Spark Plug
- Voltage
- 12 V
Description
Key facts
- Part number: 2668
- 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
NGK Iridium IX BKR8EIX Spark Plug 2668 High Performance Engine Replacement
The NGK Iridium IX BKR8EIX Spark Plug is engineered for high-performance engine applications, offering superior ignition reliability and enhanced fuel efficiency. This spark plug utilizes state-of-the-art iridium material for its center electrode, which ensures excellent conductivity and optimal performance under extreme conditions. With a high melting point and resistance to wear, the iridium construction allows for extended lifespan and improved engine functionality, making it an ideal choice for enthusiasts and everyday drivers alike.
The design of the NGK Iridium IX BKR8EIX Spark Plug incorporates a 0.6 mm diameter iridium center electrode. This fine wire design not only reduces the voltage requirement for an effective spark but also provides a larger surface area for oxidation, enhancing combustion efficiency. Additionally, the ground electrode features a unique configuration that promotes complete combustion, ultimately leading to improved power output and reduced emissions. This advanced design makes the spark plug highly suitable for modern, high-performance engines.
FITMENT: The NGK Iridium IX BKR8EIX Spark Plug is compatible with a wide range of makes and models. It's recommended for use in vehicles where a high-performance spark plug is required. Users should always refer to their owner's manual or consult with a professional mechanic for specific vehicle compatibility.
Key Features & Benefits
- High-performance iridium center electrode for superior conductivity
- Extended lifespan compared to traditional copper spark plugs
- Fine wire design reduces voltage requirements for easier starts
- Improved fuel efficiency through enhanced combustion characteristics
- Resistant to pre-ignition and fouling for reliable engine performance
- Unique ground electrode design promotes complete combustion and reduced emissions
Vehicle fitment
| Make | Model | Submodel | Years |
|---|
No vehicle matches that filter.
Fitment data from the manufacturer catalogue. Check your engine before ordering, or call us.
Specifications
| Identification | |
|---|---|
| Brand | NGK |
| Part number | 2668 |
| SKU | 394715 |
| Dimensions and weight | |
| Dimensions (W × H × D) | 4.00 × 4.00 × 1.00 in |
| Material and finish | |
| Material | Iridium |
| Series and warranty | |
| Details | |
| Center electrode core material | Copper |
| Center electrode tip material | Iridium |
| Configuration | Standard |
| Fuel type | Gasoline |
| Ground electrode design | Taper Cut |
| Ground electrode material | Nickel |
| Hex size | 5/8 in (16 mm) |
| Installation depth | 0.75 in (19 mm Reach) |
| Insulator height | 50.5 mm |
| Item length | 2.5 in |
| Manufacturer heat range | 450 °C |
| Pre-gap size | 0.032 in (0.8 mm) |
| Reach | 0.75 in (19 mm) |
| Resistor type | Yes (5k Ohm) |
| Seat type | Flat |
| Stock number | 2668 |
| Thread diameter | 14 mm |
| Type | Spark Plug |
| Voltage | 12 V |
Shipping and returns
Shipping. Free on every order, US only. Orders arrive in 2–4 days.
Returns. 30-day returns, except in extreme cases.
Support. Our team is available 24/7 for fitment mismatches or any other reason.
Warranty. Full manufacturer guarantee.
Not sure about this part? Ask us.
Fitment, install, what else you need for the job. A parts person answers, usually within one business day.
We answer by email. No account needed.
Questions and answers
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Reviews
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