Showing my age 
but i knew it as Rocker before POPEYE doyle. And it,s a very stuctral member, the outer sill is more a design feature.
If your are not sure, it,s PASS and Advise. Was it the MOT FORUM.??
Kev.
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mot corrosion query - ian(n) February 7, 2007, 7:29 am
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