You can buy 7mm wires and reuse the original plug boots. John Schmidt did a good write up on that.
www.valkrieriders/Shop Talk/plugwires.pdfOEM wires are still available as well. You can also just do away with the OEM boots and use conventional ones as long as you keep the drain holes clear. I'd just be sure to use copper wires and a 5K ohm resistor plug cap (boot).