Both good answers.
You can seal them with Krylon Crystal Clear
However as Dave was saying, laser printed decals are usually good to go..
You do absolutely seal inkjet decals
But better safe than sorry I reckon.
I like the look and stance for sure. The black wheels and white walls really set it off. It's all got a legit old school, yet custom look. Very nicely done.
Nice box art photo
Looks like a good start to me. The taillights are pretty cool touch.
I've built this. The hinges on the backdoor are kinda a pain... I just glued mine shut since I didn't do much to the inside anyway.
All in all it's a decent kit and looks awesome when done up right. I'm sure yours is going to be just that.