dude, that's thicker than the width of the bore! for what it's worth, Nissan M. told me 2 years ago "it's the same gasket as the US version, not even sure why we sell it" > 87.5mm I believe. > Matt > On Wednesday, October 23, 2002, at 01:17 PM, Butterglry@aol.com wrote: > > whats the thickness of of the nissan motor sports turbo head gasket > > for the