s'ko Posted May 3, 2005 Share Posted May 3, 2005 can anyone tell me the threading and other info for the exhaust header studs? Thanks BW Quote Link to comment Share on other sites More sharing options...
Sweet82 Posted May 3, 2005 Share Posted May 3, 2005 can anyone tell me the threading and other info for the exhaust header studs? Thanks BW I can't as mine are just tiny rusted nubs. Quote Link to comment Share on other sites More sharing options...
idosubaru Posted May 3, 2005 Share Posted May 3, 2005 it's a 10mm either 1.00 or 1.25 pitch thread. i have not been able to locate *exact* part number matches, but every auto store will have one that works perfect. best to just take a stud or nut in and match it up. or take some spare nuts you have (that's funny) lying around that fit the studs and take them in to match up. in other words try to thread some nuts on top of the existing nuts just to get the right size. then take those in to match up, they can size them in the store. someone probably knows though. it's a 10mm either 1.00 or 1.25 pitch thread. Quote Link to comment Share on other sites More sharing options...
SuBrat84 Posted May 4, 2005 Share Posted May 4, 2005 10x1.25 metric on the ea81.. length varies if you have an ASV or not.. good luck. Quote Link to comment Share on other sites More sharing options...
Marck Posted May 4, 2005 Share Posted May 4, 2005 Subaru OEM part number: 800910290 This is for a EA82(T) and I don't know if there is any difference for exhaust port studs between EA82(T) and EA81(T) Engines. Quote Link to comment Share on other sites More sharing options...
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