There are currently four variations of the Nissan RB engine: RB20, RB25, RB26, and RB30. The RB20 is the first iteration that was made famous by powering the Nissan Skyline GT-R, aka Godzilla.

The VAK6 keeps things simple and functional with a knife, flashlight and pulse ignitor, along with an optional hand-crank generator for recharging. Currently the subject of a Kickstarter campaign ...