Dad’s 1969 Dodge Dart Swinger 340

It is (or very close to) what the factory used. I got mine from Amazon. There is no adhesive on this wrap.

Amazon.com: Inline Tube 1 Roll Factory Electrical Non Adhesive Wiring Harness Friction Tape OEM B NOS OE : Electronics

I like to do a couple wraps of electrical tape around the ends of them when I finish so it doesnt unravel. Factory used cloth based tape, I just use the normal 3M stuff.