2024 Indycar Engine Specs. Other updates for 2024 include lighter chassis components in preparation for the addition of the hybrid unit, including. 1 — the addition of a stronger front wheel bearing retaining nut to match the implementation of the updated rear wheel bearing retaining nut in.
1 — the addition of a stronger front wheel bearing retaining nut to match the implementation of the updated rear wheel bearing retaining nut in. At the highest levels of racing, milliseconds count.