*These plugs are set to factory gap out of the box.*
Heat Range: 8 (stock is 6)
Gap: .030 - .032
Application: MAZDASPEED 3, MAZDASPEED 6, CX-7
SET OF 4 Denso Iridium Spark
Plugs
DENSO's patented iridium alloy is extremely tough and
wear-resistant. This makes it possible to produce a spark plug with a centre
electrode of just 0.4 mm. Denso Iridium spark plugs give a stronger spark and
better ignition performance in all areas of driving. These plugs can withstand
even the most severe conditions and have proven themselves in original equipment
and racing. This product gives DENSO the leading position in Iridium Spark Plug
technology.
Iridium Power
Range
These Denso plugs are the obvious choice for any one
looking for a fast, easy and effective way of enhancing and improving the
performance of your engine. Utilising the revolutionary 0.4mm center electrode
technology, the Iridium Power plugs can make an immediate difference to your
bhp, fuel efficiency and cold starting.
As used by racing, rally and performance OEMs throughout
the world.