NGK IX spark plugs use of the precious metal Iridium allowing the manufacture of an even smaller diameter centre electrode without compromising durability. This extremely small Iridium tip centre electrode concentrates the available electrical energy and combined with the taper cut ground electrode, provides the best performance in term of starting, idling and especially throttle response.

 - Superior anti-corrosion and anti-seizing properties

 - Outstanding acceleration, high fuel efficiency and durability

 - Fine Iridium tip ensures high durability and a consistently stable spark

Pack Size1 Single Unit
Part_NumberR0409B-8
Diameter10 mm
Reach19mm (3/4")
Hex Spanner Size16 mm (5/8")
ResistorYes
terminal typeM4 Thread
Electrode MaterialIridium
projection_typeNon Projected
TipSingle Electrode
Heat Range8
spark_plug_typeC-EH
MaterialIridium
Fuel TypePetrol
MPNR0409B-8
Brand TypeAftermarket Branded
Country/Region of ManufactureJapan
ConfigurationSingle
Hex Size16 mm (5/8")
Thread Diameter10 mm


This Spark Plug Fits:

BrandModelEngine sizeHPKWYearEngine# of cylSpark plug gap
HONDACRF 250 R ME102502005 - 200810.7
HONDACRF 250 X ME112502007 -10.7


The Spark Plugs that are being sold by Think Bike Gear is guaranteed to be unused and Brand New to the customer, if you have any queries or questions feel free to contact us and we can answer any question to the best of our ability.


Muc - Off Stand 






NGK IX spark plugs use of the precious metal Iridium allowing the manufacture of an even smaller diameter centre electrode without compromising durability. This extremely small Iridium tip centre electrode concentrates the available electrical energy and combined with the taper cut ground electrode, provides the best performance in term of starting, idling and especially throttle response.  - Superior anti-corrosion and anti-seizing properties  - Outstanding acceleration, high fuel efficiency and durability  - Fine Iridium tip ensures high durability and a consistently stable spark The Spark Plugs that are being sold by Think Bike Gear is guaranteed to be unused and Brand New to the customer, if you have any queries or questions feel free to contact us and we can answer any question to the