BURTON MAGNUM KART
Invader's first cousin
The Burton Magnum kart shares the basic chassis design of the early Invaders. In fact, most people that come across a Magnum misidentify it as an Invader. The items to look for that are different from the Invader are the spindles, rear bearing hangers, steering hoop, and the front bumper attaches to the lower part of spindle. Here's some info I have been able to find on the Magnum Kart. According to the information I have found, Magnum's were produced from 1977 to 1980.