Posted by Chris Case @ San Diego on Friday, February 22, 2008 at 10:12:54 :
In Reply to: 4 wheeler power wagon posted by roger king on Thursday, February 21, 2008 at 20:29:57 :
One is non-pressure, it caps at the top.
Then, because there are two different neck heights, there are two different cap 'depths' needed.
I'm running a short cap in a deep neck, so actually have a non-pressure system. But the new cap was only $4 at my local 'old parts' store.