FIA confirms new skid block rule following Barcelona trials

The FIA has announced a significant update to Formula 1’s technical regulations following trials of stainless-steel skid blocks at last weekend’s Spanish Grand Prix, prompted by safety concerns that came to light earlier this season.

The decision addresses issues that emerged at last April’s Japanese Grand Prix, when several cars’ titanium skid blocks ignited dry grass at the Suzuka circuit.

The incidents, which led to multiple red flags in free practice, highlighted the risks of the current titanium skid blocks, especially with 2025 rule changes allowing cars to run closer to the ground for enhanced performance.

The trials in Barcelona last weekend tested stainless-steel as an alternative material to mitigate fire risks. After analyzing the results, the FIA has opted for a dual-material approach for the future, balancing safety with performance considerations.

FIA Maintains Titanium for Now, but Prepares Contingency

The governing body clarified its position in a full statement:

“Following analysis of the stainless steel skid block trials in Barcelona, the FIA has revised the implementation plan outlined in TD015.

“Titanium skid blocks will remain the mandated material for the remainder of the season. However, teams are requested to have stainless steel skid blocks available at all events, as they may become mandatory if similar grass fire incidents occur as seen in Suzuka early this year.

“Additional testing of stainless steel skid blocks will be conducted at selected events throughout the season to support further evaluation.”

While the decision ensures continuity with titanium as the primary material, the FIA’s precautionary measure signals an openness to swift regulation changes in the event of a repeat fire incident.

Teams must now carry both materials, increasing their logistical and development burdens mid-season.

This decision may raise some eyebrows among engineers and strategists, given that stainless steel skid blocks are heavier and could affect aerodynamic balance and wear patterns.

Teams with setups that rely on low ride heights for optimal performance could be disproportionately affected.

Team Principals Offer Measured Responses

Despite potential performance concerns, leading team principals appeared largely untroubled by the FIA’s revised directive when speaking ahead of the Spanish Grand Prix.

Ferrari’s Fred Vasseur took a pragmatic view of the ongoing evaluation process:

“I think that it’s just that we need to have time to manage it properly and to understand if there is a difference in terms of wear between the two and that’s why we want to have a one or two FP1, two to be able to assimilate it,” the Frenchman explained.

McLaren Team Principal Andrea Stella also dismissed the idea that the change would cause significant disruption in the competitive order.

“Yes. I think that if this becomes a talking point, I think it will be more of a bubble, a soap bubble, than the TD related to the front wing flexibility,” the Italian said.

“Like the material change reduces the wear rate, at the same time it reduces the sparks, and is a measure that was introduced to try and avoid the fires.

“So itself, from a technical performance or packing order point of view, I would tend to say that it’s quite irrelevant.”

For now, Formula 1 will continue with titanium skid blocks, but the specter of a sudden switch to stainless steel remains on the horizon should safety incidents demand it.

The FIA’s flexible stance reflects a broader trend in 2025 regulations, where on-the-fly adjustments are increasingly used to balance innovation, safety, and fairness in the world’s premier motorsport.

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