On July 07, 2013, Chris Raymakers in Truro, Canada weote:
"Any non NOS panels I have bought from Kilmartin, as they are close to perfect".

I don't know if this includes Kilmartin rocker panels, but the comment came under a discussion of rocker panel sources.

Addendum June 16, 2021:
Peter Ryle in Peterborough, CAMBS, UK wrote:
"Here are the pictures of the RH Kilmartin outer sill/rocker recently fitted to my car - no modification needed, and I am happy with the fit".


Kilmartin Automotive Sheetmetal - More information