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Discussion Starter · #1 ·
Are there differences between the 2004 and 2005-07 S60R/V70R cylinder heads?

camshafts, port shapes, cooling channels (thought I read 2005-07 are different cooling around the exhaust ports

firedeck thickness?
 

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No PN difference or anything I’ve ever seen visually. All the changes you’re mentioning are what make R and B5422t5 heads unique.


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No difference
 
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