Engine must utilize Volkswagen series type 1, 1600cc, US model sedan components and dimensions. Displacement is limited to 1600cc.
Suspension
Front suspension must be either Volkswagen Type 1,[5] 181 ball joint or link pin only. Rear suspension is based on Volkswagen Type 1 independent rear suspension or swing axle.
Body
Vehicles must have an external appearance of a Baja Bug. Original wheelbase must be maintained.