Do the bkr8eix have a solid/permanent terminal post?

Yes, the tip does NOT screw off.

is the spark plug 14mm thread size?

Yes, the 2668 has a 14mm thread size.

What diference exist between this and brx6eix? its does fit on land cruiser prado 90 series 2.7l petrol?

Heat range. You need to see what NGK recommends for your car.

Will this work for 1991 Toyota mr2 turbo?

Not, not fit, only for honda motor this serial number NGK BKR8EIX

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4 New NGK Iridium IX Spark plug BKR8EIX # 2668

4 New NGK Iridium IX Spark plug BKR8EIX # 2668

Product ID: 414472371

Details

Brand
NGK
Core Material
Iridium
Thread Size
14 millimeters
Top Material Type
Metal
Vehicle Service Type
Car

⚡Iridium center electrode for superior spark

🔧16 mm spanner width for precise fit

🛠️14 mm thread diameter with 19 mm length

€ 120.08

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Description

⚡ Ignite your drive with NGK Iridium IX – where precision meets power!

EASY INSTALLATION - Standard 16 mm spanner width and fixed SAE connection ensure hassle-free replacement with OEM-level fitment.
UNIVERSAL COMPATIBILITY - Fits a wide range of premium vehicles including Porsche 911, Jaguar XJ, and Volvo V70 — upgrade your ride with confidence.
OPTIMIZED SPARK POSITION - 3.0 mm spark gap engineered for maximum combustion efficiency and reduced emissions.
PRECISION ENGINE IGNITION - Iridium IX electrode delivers unmatched spark efficiency for smoother starts and better fuel economy.
DURABILITY MEETS PERFORMANCE - Suppressed 5 kOhm resistor reduces electrical noise while extending spark plug lifespan under demanding conditions.

The NGK Iridium IX BKR8EIX spark plugs feature a durable iridium center electrode and a 5 kOhm resistor for noise suppression, designed to fit a broad range of vehicles from Ford to Porsche. With precise 16 mm spanner width and 14 mm thread diameter, these plugs ensure reliable ignition performance, improved fuel efficiency, and longer service life, making them a top-tier upgrade for discerning drivers.

Specifications

ASIN	B00332810I
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#178,637 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #1,112 in Ignitions
Brand Name	NGK
Compatible with Vehicle Type	Car
Core Material	Iridium
Country of Origin	USA
Customer Reviews	4.7 4.7 out of 5 stars (780)
Gap Size	0.8 Millimeters
Item Weight	0.01 Ounces
Manufacturer Part Number	FBA_ngk_5777
Model	2668
Number of Items	4
OEM Equivalent Part Number	0
Thread Size	14 millimeters
Top Material Type	Metal
Unit Count	4.0 Count
What Is In the Box	4 x spark plugs Iridium IX

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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€ 120.08

Duties & taxes included

In stock

Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Portugal.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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