LIST 1C Competition Tyres in compliance with Art. 1.4.
AVON
4.10. Tyres listed on 1B as valid for Vehicles first registered before 01 / 10 / 1990 are valid in 1c where fitted to Vehicles first registered after 01 / 10 / 1990.
4.11. It is prohibited to re-groove tyres in this list.
• * ZZR
• * ZZR RT7 COOPER
• RS 3-R
DUNLOP
• Direzza DII
• Direzza DZ03G
• Sport Maxx Race
• Direzza DIII
EXTREME
• VR1( Marked either * W3A, * W5, W3b, W5B)( Retread)
• VR2( Marked either * R5a, * W3A, R5B, W3B)( Retread)
• VRS( Marked Type-N)( including NK)( Marked either R5B, W3B)( retread) GITI
• Compete GTR 2 HANKOOK
• Ventus RS4 KUMHO
• Ecsta V700( including V70A)( Any Compound)
MAXSPORT
• RB5( Marked Soft)( retread)
• RB6( Marked Soft)( retread)
MICHELIN
• TB15( including +)
• TB5( f & r)( including +) MRF
• ZTR( Marked Trackday)
NOVA MOTORSPORT
• ZZS
• ZZR
YOKOHAMA
• * A021-R
• A048
• A050
LIST 2
Motorsport UK 2025 National Competition Rules Version 11
Chapter 8 Appendix 4- Permitted Tyre Lists 337