Hi George,

The best I can measure them, the outside runners are 1 3/8 ID and the inside runners are 1 1/4 ID.  They blend smoothly into the shape of the ports on the engine side.

Bob White


On Wed, 16 Feb 2005 09:00:14 +1000
"George Lendich" <lendich@optusnet.com.au> wrote:

> Bob
> What is the ID of the runners.
> George ( down under)
> -- http://www.bob-white.com
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