I have posted and said this before, but your Lightning & Predator are the absolute best built and best looking trucks I have ever seen, and I am sure they are the best in the world...nothing short of double-perfection!
My Lightning has everything yours does (all of the rarest & most hard to find parts, most brand-new, including a full set of new Ultramaxxed transmission gears), but yours blows mine out of the water!
Seriously, man...you have done a superb job building these trucks, and I am sure they will remain kings of the hill for a VERY long time!
The colors and color contrast you chose are just amazing, and I truly don't believe they can ever be duplicated...some people may try, but they will never be able to come close to what you have done, seriously!
Anyway, you were talking about Titanium-Nitride coating a few parts, and I have a solution for some of them that is cheap and easy...the hingepins, you could use a couple different things to get the look without spending a fortune;
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Losi & Sportwerks both make Ti-Ni hingepins that are the same diameter as the Maxx hingepins, and they come in a ton of different lengths. If you can't find the exact length you need, simply cut down a longer pin for a perfect fit!
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There are a few different manufacturers that make Ti-Ni coated hex-drivers that are the correct diameter, so they can be cut down to get the right length that you need. Plus, you may not even have to buy the hex-drivers, because I am sure there are a few people who have some with stripped tips who would be glad to donate them, I know I have a few that I would give to you.
If you don't want the Gold Ti-Ni, I think the Rainbow or Purple Passion Ti-Ni would look absolutely amazing on both the Hingepins and the CVDs!
Just my $0.02...