For a really nice stock looking "HEI", check out www.davessmallbodyheis.com Dave has done about 6 conversions that I've personally installed, with DOZENS more for people I've referred, and I have yet to hear of anyone that has been dissapointed!
Kel, yep! Those are the wires. If you get them in "black", you can use carb cleaner and fine steel wool to remove the lettering, for a somewhat "stock" look.
Lee
'67 Coupe, 455, pump gas, 11.46 @ 115.4, in Feb '05 HPP Shootout article
