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Message: <blockquote data-quote="wash" data-source="post: 1140814" data-attributes="member: 18190">I read the sticky Fox valve cover thread and saw this post:In my particular car, Fox valve covers won't work (long story, don't ask, all will be revealed in time) so I need to know exactly what will fit under our valve covers.I know Cobra pedestal mount 1.7-1 aluminum roller rockers will work but only on pedestal mount heads (I think).I need a head that flows like crazy and at least maintains the outward appearance of smog legality.  Beside the AFR 185s, I don't know of any head with pedestal mounts that fits that bill and the 185s lose a bit of their lustre when compared to the still smog legal but stud mount rocker 195s.Lastly, I have mocked up and can fit TFS twisted wedge heads with the stamped steel valve covers but didn't have any roller rockers to mock up.  Does anyone know if TFS raised the valve cover mounting surface?Cylinder head manufacturers do a lousy job of telling you how their heads fit, a couple of simple dimensions would tell everyone what they need to know and roller rocker manufacturers could answer a lot of questions too.</blockquote>