The largest Civic Type R club forum

Established in 2002 it brings together people from all over the world to discuss their one love of Type R's.

The place for all those routine questions about routine servicing.
#2926271
Hi Mike,

I have a DC5 Integra Type R which has been modified with engine mods consisting of cams etc which produce 275bhp. Which plugs do you recommend me getting? Ive looked at the NGK Iridium IX Spark Plugs heat rating 7 which is an upgrade from the normal NGK Iridium Spark Plugs. Do you think these will be ok for mine engine?
#3579850
project90 wrote:Tegiwa can you tell me the diference between the laser iridiums and the IX iridiums? seen the IX for £7 cheaper than the lasers and said the IX was beter performance but not sure how or why?
I want to know this, seen this on various places as an upgrade but the upgrade is cheaper.
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