There are carbine conversion kits which use the lower receiver of the Glock pistol, and mate it to a carbine upper, yes.
Internet, gun shop, gun show, want ads.
Try www.dixiegunworks.com and www.trackofthewolf.com both have kits and parts to build your own.
Propane and LPG conversion kits can convert your gasoline vehicle into a bi-fuel Beware of purchasing kits that do not meet EPA regulations for on-road use.
The companies that offer van conversion kits are: Convert Your Van LTD, CamperVanLife, NorthWestCamperVanConversions, Pathfinder-Vans, and Hoosiervan.
The electric bike conversion kits from www.werelectrified.com convert any bicycle into an electric bike. The kits are easy to install.
Yes nitrous is legal, its the speeding that you do when you use it that is not legal.
AFAIK, no.
Light conversion kits are packs which allow you to change your car lights from regular standard lights to say xenon lights. This will also apply for motorbikes if you want to convert your lights.
yes they are perfectly legal my jetta has a turbo
Propane gas conversion kits can be obtained from Nash Fuels and Duda Diesel. They can also be obtained from specialty stores that specialize in propane tanks and parts for vehicles.
yes they sell conversion kits