FIA could introduce huge F1 rule change and three teams are leading the push for it

Formula 1's governing body, the FIA, could reportedly introduce a controversial rule that three teams are pushing for.

After a two-week break, F1 will return next weekend with the Las Vegas Grand Prix, which promises to be the biggest show on the calendar.

With just three Grands Prix left in the current campaign, reigning world champion Max Verstappen is just one win away from clinching his fourth consecutive world title.

On Friday, it was reported by Auto Motor und Sport that the FIA could inroduce a huge new rule in 2026.

The new rule is set to impact the use of transferable components.

Journalist Tobi Gruner wrote on social media: "Formula 1 is working on a rule change for 2026 to make life harder for customer teams like RB or Haas. If a team finishes P5 or higher in the WCC it has to design all non-listed parts (TRC ) on their own (after a period of 3 years)."

For example, the Haas F1 Team currently uses many many supplied components from Ferrari, including but not limited to the power unit, gearbox and rear suspension.

If the rule is voted in, teams who finish fifth or higher in the constructors' championship will have to make all their components with a three-year lead.

It has been suggested that teams that produce everything on their own, such as Aston Martin, Alpine and Williams are pushing for the new rule to increase in-house production.

The report stated: "For the teams that produce everything themselves, these joint ventures are suddenly a thorn in the side of the teams.

"Especially Aston Martin, Alpine and Williams are demanding a higher percentage of in-house production."

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As reported by Motor Sport Week, Haas team boss Ayao Komatsu said: "It would be a killer for the small teams. If Formula 1 wants as many teams as possible to be competitive, then it will reject this rule.

"What better thing could happen to the sport than David winning against Goliath?"

He added: "What fan cares whether the gearbox or the suspension comes from Ferrari or from us?

"We are credited with a nominal equivalent value for the components we buy in in the budget cap. It is so high that we have no advantage."