Neil said it was “beyond our dreams” as both won their track cycling races. Their medals were part of a glorious haul of seven golds, one silver and six bronzes which lifted the team to second in the medal table, behind China.
Neil and his pilot, Matt Rotherham, smashed their own world record in the B 1,000m time trial. This was Neil’s second Paralympic gold after winning the same event at London 2012.
Minutes later, Lora and pilot Corrine Hall retained their B 3,000m pursuit crown from Rio 2016 in record time.
Team-mates Sophie Unwin and pilot Jenny Holl took bronze in the event.
Neil, 37, and Lora, 32, shared an emotional embrace, wrapped in Union flags, after their medal ceremonies.
He said: “There are days that are good in the relationship and there are days like today which we’ll never forget.”
There was also gold for the mixed team sprint with Kadeena Cox and Jaco van Gass both winning their second titles in Tokyo, and Jody Cundy claiming his eighth career Paralympic success.
Maisie Summers-Newton won gold in the SB6 100m breaststroke, with team-mate Ellie Simmonds fourth.
Reece Dunn, Bethany Firth, Jessica-Jane Applegate and Jordan Catchpole won the S14 4x100m freestyle relay.
Sophie Hahn retained her women’s T38 100m title from five years ago.
Meanwhile, Thomas Young won his first Paralympic gold in the men’s T38 100m.
Micky Yule, who lost his legs while serving with the British Army in Afghanistan in 2010, took bronze in the powerlifting ‑ 72kg event.
And wheelchair fencer Dimitri Coutya, from Bath, won his third bronze medal of the Tokyo Games in the foil B event.