15.3. Brakes are free but must comply with Construction and Use Regulations. A hydraulic handbrake is permitted where a functioning mechanical system is also present. The hydraulic handbrake lever shall operate in an arc not exceeding 50 degrees from the horizontal.
15.4. Vehicles must display registration plates in compliance with the current Road Vehicles( Display of Registration Marks) Regulations
16. Stage Rally Cars 16.1. Stage Rally Cars must comply with Arts. 9.3 – 9.4 and the following:
16.2. Stage Rally Cars with a CCLB / VP issued before 1st January 2009, and which complied with H265 or H266 of the 2008 regulations, must comply with Arts. 16.2. a – p. below from 1st January 2012. CCLBs / VPs for these vehicles remain valid until such time as the vehicle requires a full re-inspection following rebuilding, but may be returned to Motorsport UK for updating ownership, colour and other minor details:
a.
b.
c.
d.
e.
All cars must comply with Ch. 7 of these regulations, and all statutory regulations concerning the construction and use of vehicles. In addition Vehicles must:
Be currently registered and taxed as a private car, unless specific event regulations relax the requirement for taxation, by virtue of the entire event taking place wholly on private property.
Have registration documents and, where a car is required by law to have a certificate, a valid MOT Certificate where appropriate. These documents must be produced at scrutineering for all events, irrespective of whether or not part of the event takes place on the Public Highway.
Have a valid ASN Competition Car Log Book / Vehicle Passport that must be produced at scrutineering( Ch. 7 App. 1 and App. 12).
Display registration plates in compliance with the current Road Vehicles( Display of Registration Marks) Regulations.
f. All Vehicles must carry a small spill kit complying with Ch. 7 App. 2 Art. 22.15. g.
h.
Have a bulkhead between any fuel tank and filler and driver / passenger compartment sufficient to prevent the passage of flame or liquid. Where a fuel tank constitutes part of a bulkhead between passenger and luggage compartment, an additional bulkhead must be fitted. Additional fuel tank protection may be required.
Glass sunroofs are not permitted. Sunroofs may be of a non-shattering solid rigid material other than glass. Any sunroof must be firmly secured in the closed position. The sunroof aperture may be closed by solid material permanently fitted in place.
i. Windscreens to be of laminated type only. j.
k.
l.
m.
n.
Where advertising is allowed on windscreens it must not obscure the driver’ s vision nor cover more than one third of the depth of the visual area of the windscreen.
Towing eyes of adequate strength and size must be fitted to, or carried for fitting to, the front and rear of the vehicle. They must be painted a distinctive and contrasting colour
Forced Induction engines must be fitted with a restrictor at a maximum of 50mm from the extremes of the compressor blades. The restrictor orifice to be to the dimensions currently in force in FIA Appendix‘ J’. Where there are two forms of forced induction fitted, the restrictor must not exceed the appropriate FIA Appendix‘ J’ dimensions. Provision must be made for fitting seals to the unit( s). A fee if £ 3.00 is payable for the sealing of turbo chargers.
Not be fitted with spiked or studded tyres or any non-skid attachments, other than chains if permitted in the Official Documents.
Braking systems may be modified including fitment of uprated components, conversion of drum brakes to disc brakes and use of alternative friction materials. o.
If the filler cap is of the quick release type or where the vehicle has been fitted with a non-standard filler, be fitted with a recessed fuel filler cap.
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 16 Part A( Autocross and Clubcross) Appendix 5- Technical Regulations
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