Tubular K member design

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The fact you are in Calgary is a bonus. Shipping is killing the aftermarket parts industry. So you should be able to serve the Northern members a little more efficiently.
As for the design.......variable engine mount positioning. Big / small block, forward / back, up / down, left / right. With the big block threads and header threads and Hemi threads, I see a lot of shimming going on with the stock style K-members.