The upcoming NASCAR Cup Series race at Martinsville Speedway will feature the softest tire compound at that track since the unveil of the NextGen car in 2022.
Specifically, the right side tires will be the option tire compounds used in the All-Star Race at North Wilkesboro and the summer race at Richmond but Goodyear is going even softer on the left sides.
This is all part of the strategy to improve short track racing at the highest level of the discipline, especially at the relatively flat Virginia half-mile, which has been most affected by the current platform.
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NASCAR has added an extra set of tires for practice that weekend, two sets instead of one, plus an additional set for the race — 10 sets instead of 9.
— Sportsnaut —