b. Tyres on List 1B and List 1C are not permitted other than those on List R; c.
Tyres marked for " Competition use " are not permitted with the exception of tyres on List 6 and List R.
3.2. For Endurance Road Rallies only tyres on List 4 are permitted.
4. Tyres for Stage Rallies
LIST 1A
4.1. FIA homologated tyres are recommended for asphalt stage rallies. All tyres contained in List 1A,, 1B and 6 are authorised for use on all sealed surface Stage Rallies.
4.2. Only tyres from List 6 are authorised for use on unsealed surface stages taking place on the national forest estates( FCS / FCE / NRW).
4.3. Additionally, for Single Venue Stage Rallies, where no part of the itinerary traverses the Public Highway, tyres from List 1C are authorised.
4.4. NOTE TO COMPETITORS: road legal List 1A tyres and some specialist motor sport tyres may not have strengthened sidewalls more normally used in the construction of tyres in List 1B and Rally tyres homologated by the FIA.
4.5. With the exception of tyres specified in List 1A, 1B( 1C SVSRs where permitted) and 6, hand cutting is permitted, but only for the purpose of introducing additional grooves no deeper than those moulded into a new tyre. Hand cutting in order to increase the depth of existing moulded grooves is prohibited for all tyres.
Standard Road Tyres Suitable for Competition in compliance with Art. 1.3.
AVON
4.6. It is prohibited to re-groove tyres in this list.
• * ZV 7
• * ZT 7 BLOCKLEY
• BR1( pre 1 / 10 / 90)
BRIDGESTONE
• Potenza RE050, RE050A
• Potenza RE070R
• Potenza S007
• Potenza S001
• Potenza S005
• Potenza Sport
•( 1) Potenza Race( 1) Only applicable where an OE fitting. Contact the ASN Technical Department for verification. CONTINENTAL
• ContiSportContact 2
• ContiEcoContact 3
• ContiSportContact 5
• ContiPremiumContact 5
• ContiEcoContact 5
• ContiPremiumContact 2
• ContiSportContact 3
Motorsport UK 2025 National Competition Rules Version 11
Chapter 8 Appendix 4- Permitted Tyre Lists 331