do a search..i use ngk iridium spark plugs...i think i read something about not using the ones that were +2 or +4..
i think the common ones were iridium and platinum
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1992 Subaru SVX LS~L Ebony Pearl
1992 Dodge Stealth R/T Firestorm Red
1992 Subaru SVX LS~L Pearl White
1992 Subaru SVX LS~L Ebony Pearl JDM 6MT/DCCD
2007 Subaru Legacy Spec B. Diamond Grey Metallic
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