DETurbine Posted February 11, 2005 Share Posted February 11, 2005 I just needed to know the hex key size of the studs in the head. I tried a 10mm, but it was to small. Problem is that once hex keys get over 10mm they are hard to find around here (pretty much two places to get them maybe) and my car is at a friends garage which is in the country 30min away and they have no good parts store, so I just wanted to make sure what size they are, so I don't end up wasting anothering hour and a half running back and getting one. I am pretty sure it is a 12mm, but just wanted check first. If you could let me know that would be great. Zach Quote Link to comment Share on other sites More sharing options...
Guest PROJECTRB240SX Posted February 11, 2005 Share Posted February 11, 2005 The Rb20 Was A 12mm Iirc, I Had Mine Over A 1 Year Ago. Quote Link to comment Share on other sites More sharing options...
DETurbine Posted February 11, 2005 Author Share Posted February 11, 2005 ok thanks. My second question is does anyone know what size the stock head gasket it? Quote Link to comment Share on other sites More sharing options...
Guest Timd Posted February 25, 2005 Share Posted February 25, 2005 do you mean thickness? Quote Link to comment Share on other sites More sharing options...
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