NSR Formula 86/89 - 2021/22

NSR Formula 86/89 – Rules

Cars must comply with the official NSR technical rules (attached below), with the exception of rear tyres, which can be as follows:

  • Rear Tyres – Black NSR tyres with the part numbers listed below may be used.
    • 19.5 x 13 slick
      • 5284 – Supergrip Evo (standard equipment)
      • 5285 – Ultragrip Evo
      • 5320 – Extreme
    • 19 x 13 slick low profile
      • 5287 – Supergrip Evo
      • 5288 – Ultragrip Evo
      • 5321 – Extreme
    • Can be glued & trued.
    • The NSR marking must be clearly visible on at least one sidewall of each rear tyre.
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