--- product_id: 4989396 title: "Iridium IX Spark plug BKR8EIX 2668 (4 Pack)" brand: "ngk" price: "£38.68" currency: GBP in_stock: true reviews_count: 13 category: "Ngk" url: https://www.desertcart.co.uk/products/4989396-iridium-ix-spark-plug-bkr8eix-2668-4-pack store_origin: GB region: United Kingdom --- # Iridium core for max spark efficiency OEM-grade durability & longevity Precision 14mm thread size fit Iridium IX Spark plug BKR8EIX 2668 (4 Pack) **Brand:** ngk **Price:** £38.68 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your drive with NGK Iridium IX – where precision meets power! ## Quick Answers - **What is this?** Iridium IX Spark plug BKR8EIX 2668 (4 Pack) by ngk - **How much does it cost?** £38.68 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/4989396-iridium-ix-spark-plug-bkr8eix-2668-4-pack) ## Best For - ngk enthusiasts ## Why This Product - Trusted ngk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Engineered for durability, providing long-lasting reliability under all driving conditions. - • **Perfect OEM Fit:** 14mm thread size ensures seamless compatibility with your vehicle’s engine. - • **Value Pack Advantage:** 4-pack bundle keeps your engine firing strong without frequent replacements. - • **Trusted by Professionals:** World’s largest OEM spark plug supplier—quality you can count on. - • **Unmatched Ignition Power:** Iridium IX core delivers superior spark for peak engine performance. ## Overview The NGK Iridium IX Spark Plug BKR8EIX 2668 (4 Pack) combines OEM-level quality with iridium core technology to deliver enhanced ignition efficiency, durability, and perfect fitment for cars and trucks. Trusted globally and highly rated by users, this 4-pack ensures your engine runs smoother, lasts longer, and performs at its best. ## Description Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity. NGK offers the Quality, Reliability and Durability you'd expect from an OEM manufacturer. NGK is the world's largest supplier of OEM spark plugs. It is recommended to research applications on NGK s website prior to purchase to make sure this OEM part fits your vehicle, including engine, drivetrain and quantity needed. Review: Worth it - Legit plugs, highly recommend. Cheaper then Autozone! Review: Best for the price - Overview: As an Audi A6 owner, I've always prioritized top-notch performance and reliability for my vehicle. When it comes to spark plugs, NGK has been a brand I trust for years due to their reputation for quality and durability. Recently, I decided to upgrade my Audi A6 with NGK spark plugs since I was going to have a stage one tune, and the results have been nothing short of impressive. Compatibility: NGK spark plugs are specifically designed to meet the exact specifications of Audi vehicles, including the A6. The precise fitment ensures optimal performance and compatibility, eliminating any concerns about compatibility issues or fitment errors. Performance: After installing NGK spark plugs in my Audi A6, everything ran exactly how it should and it will future proof the car since it is tuned. Whether it's cruising on the highway or tackling challenging terrains, the NGK spark plugs have enhanced the overall driving experience of my Audi A6. ## Features - Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity. - Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer - NGK is the world's largest supplier of OEM spark plugs - Research Applications Prior to Purchase To Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Quantity Needed. - This Listing is for 4 Spark Plugs ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00332810I | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #21,489 in Automotive ( See Top 100 in Automotive ) #125 in Automotive Replacement Spark Plugs | | Brand | NGK | | Brand Name | NGK | | Compatible with Vehicle Type | Car, Truck | | Core Material | Iridium | | Customer Reviews | 4.8 out of 5 stars 786 Reviews | | Included Components | 2668 | | Item Weight | 0.01 Ounces | | Manufacturer | NGK | | Manufacturer Part Number | FBA_ngk_5777 | | Manufacturer Warranty Description | Includes manufacturer provided warranty | | Model Number | 2668 | | Number of Items | 4 | | OEM Equivalent Part Number | 0 | | Thread Size | 14mm | | Top Material Type | Iridium | | Unit Count | 1.0 Count | | Vehicle Service Type | Car, Truck | ## Product Details - **Brand:** NGK - **Core Material:** Iridium - **Thread Size:** 14mm - **Top Material Type:** Iridium - **Vehicle Service Type:** Car, Truck ## Images ![Iridium IX Spark plug BKR8EIX 2668 (4 Pack) - Image 1](https://m.media-amazon.com/images/I/612-wieo2uL.jpg) ## Questions & Answers **Q: Do the bkr8eix have a solid/permanent terminal post?** A: Yes, the tip does NOT screw off. **Q: is the spark plug 14mm thread size?** A: Yes, the 2668 has a 14mm thread size. **Q: What diference exist between this and brx6eix? its does fit on land cruiser prado 90 series 2.7l petrol?** A: Heat range. You need to see what NGK recommends for your car. **Q: Will this work for 1991 Toyota mr2 turbo?** A: Not, not fit, only for honda motor this serial number NGK BKR8EIX ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worth it *by J***I on March 19, 2026* Legit plugs, highly recommend. Cheaper then Autozone! ### ⭐⭐⭐⭐⭐ Best for the price *by M***V on March 15, 2024* Overview: As an Audi A6 owner, I've always prioritized top-notch performance and reliability for my vehicle. When it comes to spark plugs, NGK has been a brand I trust for years due to their reputation for quality and durability. Recently, I decided to upgrade my Audi A6 with NGK spark plugs since I was going to have a stage one tune, and the results have been nothing short of impressive. Compatibility: NGK spark plugs are specifically designed to meet the exact specifications of Audi vehicles, including the A6. The precise fitment ensures optimal performance and compatibility, eliminating any concerns about compatibility issues or fitment errors. Performance: After installing NGK spark plugs in my Audi A6, everything ran exactly how it should and it will future proof the car since it is tuned. Whether it's cruising on the highway or tackling challenging terrains, the NGK spark plugs have enhanced the overall driving experience of my Audi A6. ### ⭐⭐⭐⭐⭐ Best sparkplugs you can buy! *by D***L on February 24, 2026* Got these for my turbo k24a build. I use these in every boosted application I do! ## Frequently Bought Together - NGK Iridium IX Spark plug BKR8EIX 2668 (4 Pack) - PQY Universal Spark Plug Gap Tool with 32 Blades Steel Feeler Gauge for Most 10mm 12mm 14mm 16mm Spark Plugs Red - LEXIVON 5/8" Swivel Magnetic Spark Plug Socket, 3/8" Drive x 10" Total Length | Enhanced Magnetic Design with Thin Wall Socket, Cr-v Steel (LX-122) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/4989396-iridium-ix-spark-plug-bkr8eix-2668-4-pack](https://www.desertcart.co.uk/products/4989396-iridium-ix-spark-plug-bkr8eix-2668-4-pack) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-23*