NGK BR7EIX Iridium IX Spark Plug
- 0.6 mm iridium tip, laser welded
- 14 mm thread size
- Triple gasket seal against combustion gas leakage
- Tapered ground electrode to limit quenching
- Single plug, one item per pack
- Long OEM cross-reference list across car and motorcycle makes
- 0.05 kg item weight
Last refreshed Oct 2, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
An iridium spark plug aimed at performance engines, with a very long cross-reference list. Reach and heat range are not stated in the listing, so match the part number to your engine before buying.
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ASIN: B000F0DXS6Model: BR7EIXCategory: Spark Plugs
Overview
Not a generic plug, this NGK BR7EIX is an iridium design with a fine laser welded center tip and a tapered ground electrode. A longer insulator nose and a triple gasket seal are described as guarding against fouling and leaks.
NGK pitches the Iridium IX line at performance use, with a fine tip for stable sparking and a metal plating that resists corrosion and seizing. The listing leaves out reach, heat range and gap, so the cross-reference numbers do the work of confirming fit.
Who it's for
A DIY owner or shop replacing plugs on an engine that lists this number can use the cross-reference list to confirm the match. Buyers who work from specifications rather than part numbers should check the missing figures with NGK first.
Pros and cons
- Fine iridium center tip
- Triple gasket seal
- Corrosion resistant plating
- Very long cross-reference list
- Heat range not listed
- Reach and gap not listed
- Sold as a single plug
- Included row shows only a number
Performance notes
The fine iridium tip needs less voltage to spark and resists wear from heat and electrical erosion. The tapered ground electrode reduces quenching of the flame kernel, while the extended insulator nose and corrugated ribs are described as resisting fouling and flashover.
Specifications
| Model | BR7EIX |
|---|---|
| Dimensions & fit | |
| Thread size | 14 mm |
| Tip diameter | 0.6 mm laser welded iridium |
| Weight | 0.05 kg |
| Construction & materials | |
| Core material | Iridium |
| Top material | Metal |
| Compatibility & installation | |
| Vehicle type | Car, Truck |
| Warranty & support | |
| Warranty | Includes manufacturer provided warranty |
| Other details | |
| Number of items | 1 |
| Fit type | Vehicle Specific Fit |
Frequently asked questions
How many plugs come in the NGK BR7EIX listing?
One. The number of items and number of packs are both one, so order a plug for each cylinder.
Which engines use the NGK BR7EIX?
The listing gives a long OEM cross-reference list rather than a vehicle list. It includes Toyota, Honda, Nissan, Mazda and Subaru numbers among many others.
Is the NGK BR7EIX a platinum plug?
No. The core material is iridium, with a fine laser welded tip.