Head ID


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By 55Birdman - 16 Years Ago
Came across a set of ECZ-B heads. My books do not have any info on these heads. Can anyone tell me what they are? I do know they are the large valve but thats it. Thanks 
By 46yblock - 16 Years Ago
...and non posted.  It would be nice if the heads where chamber size is not listed in Johns table would be cc'd and documented somewhere for reference.  The ECR-A's I had recently are only listed as low compression in the table without specific size, but when I cc'd them they showed 73cc chambers, which is better than many other models.