NGK
NGK WR5IX 7510 Spark Plug Iridium IX
£10
Lowest price we found
£27.20
The Champion X is a spark plug with a copper-core centre electrode and patented SAC-9 semiconductor resistor.
It replaces 425 and has a patented Ultraseal coated shell designed for corrosion resistance.
At a glance
Now
£27.20
Lowest, Aug–Oct
£25.81
Highest
£27.20
Price at the shop, last 77 days
The price rose by £1.39 on 4 October. It has been lower in this period: £25.81 (19 Aug – 3 Oct).