Headlight blackout kits are illegal in some places because of safety concerns. An installed kit can cause headlights to function improperly leading to poor visibility.
Halogen headlamps must use halogen bulbs. "HID kits" are widely available, but they are (all) unsafe and illegal.
Headlight restoration kits may be sold at several stores, both physical and online. Walmart, Advanced Auto Parts, and Sears sell some varieties. Most car parts and accessories stores should sell headlight restoration kits, and can always be called ahead of time to inquire about the variety of goods for sale or specific model types. Amazon's website as well as eBay also offer some options for buying headlight restoration kits.
Yes they sell restoration kits for headlights
There are many websites that carry emergency preparedness kits. For example, www.americansafety.com/. Kits will range in price depending on what type of emergency you are preparing for. There are hurricane and earthquake kits, as well as blackout and terrorism kits. You also have the option of customizing your own kit.
They make kits for that. See an autoparts store.
It may not be illegal, but NT won't pass safety inspection.
A number of questions have been raised regarding the legality of HID headlights but well informed sites such Motor Field and HIDS 4 U offer a good selection of HID headlight kits which are both safe and legal.
There are a number of Headlight cleaning kits available, some work, some don't. Google Clean your headlight lens, and call or research the companies to find the best.
An illegal immigrant.
Yes, there are kits for sealed beam to minature halogens available.
There are products and kits for this at most national chain auto parts stores.
That will change constantly and it really depends on what you mean by kits. See sources and related links below for a popular online choice.