Thread: b18b head on b20 bottom end, better then b20 head?
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Old Sep 9, 2005 | 09:17 PM
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slowb20civic
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Default Re: b18b head on b20 bottom end, better then b20 head?
Originally Posted by non-vtecpower
both heads say PR4 on them...
my B20B head says PR8, the Pr8 has the bigger valves...lucky me