NGK
NGK WR5IX 7510 Spark Plug Iridium IX
£10
Lowest price we found
£3.79
The Champion RJ12YC Copper Plus is a spark plug with a copper-core centre electrode and a patented SAC-9 semiconductor resistor.
Its shell has a patented Ultraseal™ coating for corrosion resistance. It replaces CR43S and is described for use in vehicles, mowers and weed whackers.
At a glance
Now
£3.79
Lowest, Aug–Oct
£3.57
Highest
£3.79
Price at the shop, last 78 days
The price has stayed at £3.79 since 4 October. It has been lower in this period: £3.57 (19 Aug – 3 Oct).