difference between normal rs turbo head and big valve head
Hi,
i'm from Germany and try to find out what are the differences between the normal RS Turbo heads and the Big Valve Heads.
Thanks Michael
i'm from Germany and try to find out what are the differences between the normal RS Turbo heads and the Big Valve Heads.
Thanks Michael
the valves and seats are bigger?! 
it depends who build the Big Valve Head and to what their spec or "stage" is
have a look at this, maby helpful
http://www.norrismotorsport.co.uk/tu...nderheads.html

it depends who build the Big Valve Head and to what their spec or "stage" is
have a look at this, maby helpful
http://www.norrismotorsport.co.uk/tu...nderheads.html
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Stu @ M Developments
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