Iridium Power is recommended for
the following kind of user.“I want the next level of response and power for my baby”
For drivers that care about performance.
By using a 0.4mm diameter iridium alloy center electrode and a special ground electrode, IRIDIUM POWER realizes spark performance unseen until now. It steadily gives a high level of response under a variety of driving conditions. The result? Increased acceleration and torque compared to regular plugs.

“It’s the car that I drive every day, so I want less fuel consumption.”
For drivers that care about mileage.
If you use your car on a daily basis, you may be concerned about fuel consumption. IRIDIUM POWER is one solution.



These plugs provide increased performance for daily or track use. The surpass that of the oem platinum or iridium plug.

Please go to: DENSO SPARK PLUGS - Basic Knowledge

Denso IK20 heat rating 6 for standard engine ----- P.WRX - A$100 fitted

Denso IK22 heat rating 7 for tuned engine ---- A$80 - A$120 fitted

We stock Perth's best quality spark plugs direct from Japan.


NGK Iriway 7 and NGK Iriway 8 now also in stock. P. WRX Price $100 fitted.




NGK IriMax 7 race plugs for new gen EJ25T engines and Evo X.
P.WRX (MY06+MY07) Price $120 fitted.
P.WRX (MY08-MY12) PRice $150 fitted.

hey mao what's up?

diffrence between the ngk 7 & 8?

hmmm denso or ngk for my car, its a daily but i rather bit more power

do the plugs differ as to how long they will last for?

how long before the next change, 50k am i right?

thanks man

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98 gf8 Rip

I have the ik22's, I rate them. No miss even at 1.7 bar on factory plug gaps.

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[CENTER][SIGPIC][/SIGPIC][/CENTER]
[CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER]

50k no probs. Won't like to use plugs more that 50k myself.

NGK Iriways and Denso IKs are awesome plugs. HKS, Sard and Greddy stamp their names on these plugs and sell them at a higher price.

thanks, just diffrence between the ngk 7 & 8?

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98 gf8 Rip

Heat rating on the Plug --- higher the number, colder the plug.

Hey Mao,

Im looking for NGK Iridiums. LFR7AIX? I think the model is? How would I gap them to .030"? Can you do that?

Hi Jon, how are you?

Iridiums are not meant to be gaped as they already produce a very strong spark with the factory gap, unlike the platinums.

The iridium tips are a very sensitive element tip that may get damaged easily through gapping. Wouldnt recommend gapping unless you are after something specific. If you really need to gap them, we will do it for you. Takes less than a min.

thanks for your help today mao

i had this horrible feeling that i was going to drive all the way out to robs for him to have the wrong ones, but it was all good