F4 race winner Josh Irfan joins Teams’ Champion JHR Developments for GB3 graduation F4 race winner Josh Irfan joins Teams’ Champion JHR Developments for GB3 graduation Bas Kaligis / Thursday, February 8, 2024 0 249 Article rating: No rating JHR Developments has confirmed that Formula 4 race winner Josh Irfan will join the team for the 2024 GB3 Championship season. Read more