Vortex introduces the new homologated engines Bas Kaligis / Sunday, December 25, 2022 0 2148 Article rating: No rating The Engine Division of the OTK Kart Group unveils the engines that will be protagonists on the track from 2023: VTZ (KZ/KZ2), VTS (OK), VTS-N (OK-N), VTJ (OKJ) and VTM (MINI). Read more