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james yarosz
06-01-2018, 07:02 PM
Ordered a set of plugs for my 2003 outback with the 310hp carbureted engine.They sent me the ac 41-101 plugs.I guess these are for the fuel injected engines with cats.Will they be ok in my engine and if so what should I gap them at?

kaneboats
06-02-2018, 09:02 AM
Might want to send Engine Nut a PM.

VA LSV
06-03-2018, 08:43 AM
41-101 are iridium and will work fine, just a lot more expensive. Standard plug is MR43T which is all you need for carb motors.