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Stage IV to Cool Head

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Hi all!

Just picked up an ‘03 that had Trinity work done in 2004. Porting, head, pipes, etc. previous owner put pump gas in it while using 17cc domes, rest is history. It’s on its last bore, 375cc, but thankfully the cylinders look pretty clean, and just need some honing. I’m not even remotely interested in running race gas. I need pump. Are 21+ domes available for the Trinity heads? I haven’t found any. If not, what will I have to do to swap over to a coolhead? Just studs? 


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