My head had one of the domes totaly gouged up when the rod lost most of its needle bearings on a wot pass.

Company that makes my head is nowhere to be found. "RPM racing". Its a pretty nice piece. Real thick, lots of cooling and its girdled.

Reason for asking about the ada domes is cus the o-ring kit from an ada head fits it like a glove. But I dont want to spend $45 on a dome I may not be able to use.

If someone could please send measurements of an ada dome for an 1100 or 1200 or what ever dome u have laying around for that matter.

I need height, width at bottom and at top.

Thanks guys.