“It’s like an electric flywheel…
… that gives you 150 extra HP
… better than a turbo charger because there’s no lag
… it’s amazing”
– Jay Leno’s Garage, July 2025
A True Lightweight
… eliminates the starter motor, flywheel, big 12v battery and more
… net weight change – near ZERO
Vonnen Shadow Drive
… analog hybrid
… adding 150hp
… near zero weight change
… discreetly hidden


