What would be in a stock performance kit that has all the bells and whistles?

People have reported buying kits from:

EGGE

Kanter

Patrick's

Jim Carter - sells by parts, it seems

The last engines I rebuilt were many, many years ago - NAPA parts.

When I rebuild a 1954 235 for my Suburban, I'll hope to get advice from Pre '68 Dave on where to get parts.

Just for comparison:
clegg (your Klegg referred-to above ?)