I have the same spring up front, and the red triangles in back.I've been following this thread because of planned mods. Despite the talk of NAS models having different springs I have the double green circle 19546's up front on my 8/23 build. I figure if these can handle what @Logsplitter is doing I'll be fine. Do any NAS owners have the reds? Build specs are in my signature.
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I do have the red 21751 in the back.
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