8. Electrical
8.1. All Vehicles must be equipped with an ignition cut-off switch having positive‘ ON / OFF’ positions clearly marked. The ignition cut-off and fuel pumps isolation system( s) must be operable by the Driver when normally seated with seat belts / harness secured except Standard Cars as defined in these Regulations where it is recommended.
8.2. Lighting equipment is not required unless the Vehicle is currently licensed for use on the Public Highway and competed on the Event in a road legal condition( Art. 12 below).
8.3. An external circuit breaker to Ch. 7 App. 5 Arts. 5 is mandatory for all Vehicles except open cars of periods A – E and Vehicles in a road legal condition( Art. 12 below) when it is recommended.
9. Brakes 9.1. All cars must be fitted with fully operational braking systems.
10. Transmission 10.1. For Road Cars and Standard Cars the reverse gear must always remain operable. 10.2. For all other Categories a reverse gear is recommended.
10.3. A propellor shaft restraint is recommended for all front engined Vehicles with rear wheel drive comprising of either hooks or a rigidly fixed steel panel minimum 18swg.
11. General
11.1. Timing Struts – Where timing is activated by a light beam the vehicles must be fitted at the front with a vertical timing strut minimum vertical height 254mm the bottom of which shall be not less than 180mm and no more than 200mm from the ground. The strut will be in matt black on both sides over its total area which shall be not less than 254mm by 51mm. No other or further forward part of the Vehicle may interrupt these dimensions or actuate the timing.
12. Road Legal Condition
12.1. Where cars are required to compete in a road legal condition they must comply with Ch. 7 of these regulations and all statutory regulations concerning the construction and use of vehicles. Such Vehicles must:
a. b.
Be currently registered and taxed as a private car and
Have registration documents and c. Where required by law Vehicles must hold a valid full MOT Certificate including lighting. d.
Display registration plates in compliance with the current Road Vehicles( Display of Registration Marks) Regulations, unless the Official Documents specify otherwise.
These documents must be produced at scrutineering UPON REQUEST.
13. Regulations for Standard Cars 13.1. Description
13.1.1. Standard Cars: Saloons and Sports Cars produced in quantities of not less than 5000 per annum being of unitary construction two-wheel drive and up to( except for Junior sprint and hill climb per Ch. 14 App. 2 Art. 1.9) 2litre engine capacity. The Vehicle must be manufactured after 1st January 2000 and be Type Approved. Any replacement components fitted must be a Standard Part / Standard Pattern Part.
13.1.2. Vehicles must compete in an Event in a road legal condition as defined in these Regulations.
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 14 Appendix 4- Technical Regulations 539