Haval H6 To Haval HEV Conversion Facelift 2021-2023. Available at megamotorsports.pk. Upgrade your Haval H6 with the latest technology with our Haval HEV Conversion Facelift for 2021-2023 models. Enjoy increased fuel efficiency and reduced emissions with this conversion. Expertly designed and installed, this facelift will elevate your driving experience.