NGK
NGK WR5IX 7510 Spark Plug Iridium IX
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NGK R6725-105 3857 Spark Plug Racing R6725105
Lowest price we found
£43.32
The Green Spark Plug Company Delivery £4.16 - Vast stock of vintage and modern spark plugs
- Specializes in veteran, vintage, classic engines
- Fast, worldwide shipping and secure packaging
About the product
The NGK R6725-105 is a 14 mm spark plug in the NGK Laser Platinum range, with platinum on both the centre and ground electrodes. It is an original-equipment long-life plug.
It is designed as a direct replacement where the manufacturer specifies this part number, particularly for engines with distributorless or waste-spark ignition, where the ground electrode wears as fast as the centre. Platinum’s high melting point and resistance to erosion mean the gap barely grows over the service interval, helping the plug keep factory ignition performance until the scheduled change.
At a glance
- Platinum on both centre and ground electrodes
- 14 mm diameter
- Direct replacement where the manufacturer specifies this part number
- For distributorless or waste-spark ignition engines
Specifications10
- Compatible with
- Direct replacement where the manufacturer specifies this part number; particularly for engines with distributorless or waste-spark ignition
- Diameter
- 14 mm
- Electrodes
- Platinum on both the centre and ground electrodes
- Range
- NGK Laser Platinum
- Part number
- R6725-105
- MPN
- 3857
- Ignition systems
- Particularly designed for engines with distributorless or waste-spark ignition, where the ground electrode wears as fast as the centre
- Service life
- Original-equipment long-life plug
- Electrode gap
- Barely grows over the service interval
- Ignition performance
- Keeps factory ignition performance until the scheduled change
Price history
Now
£43.32
Lowest, Aug–Oct
£41.91
Highest
£43.32
Price at the shop, last 78 days
The price rose by £1.41 on 4 October. It has been lower in this period: £41.91 (19 Aug – 3 Oct).
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£43.32 at The Green Spark Plug Company Go to shop