14.2. Screwed hose clips( e. g.‘ Jubilee Clips’) may only be used in conjunction with a suitably swaged pipe.
14.3. Radiator Caps should be pressure rated to suit the system and positioned or shielded in such a way that hot water or steam cannot scald the Driver of the Vehicle if they become opened or broken in an accident.
15. Transmission
15.1. Must have the transmission outside the Driver / Passenger compartment beneath the floor or secured in casings or coverings of solid material.
15.2. Must be equipped with a reverse gear in normal working order unless otherwise stated in Specific Technical Regulations. Racing Cars of Periods A to E are exempt from this requirement.
16. Front Engined Cars
16.1. With front engine Vehicles a propeller shaft restraint should be fitted. Either safety hooks or a rigidly fixed steel panel of not less than 18swg.
17. Clutch and Bell Housing Protection
17.1. It is recommended that a shield is placed to guard the clutch / bellhousing and to protect in case of clutch / flywheel derangement. This can be a 1 ⁄ 8in steel plate or sandbag type absorber as used in drag racing.
18. Oil Systems
18.1. Must have any oil lines passing through the Driver / Passenger compartment protected and if non- metallic to be of internally or externally metal braided hydraulic pressure hose.
19. Weight / Ballast
19.1. If subject to a minimum weight that must be the weight of the Vehicle in the condition in which it crosses the finishing line( excluding Driver and Passenger) or at any time during the Competition and / or Practice( except for certain classes or formulae which include the Driver in the total weight).
19.2. Any ballast required must be attached to the shell / Chassis as Homologated by the FIA or, via at least 4 mounting points a minimum M8 grade 8.8 or 10.9 steel fasteners, each with steel counter plates of at least 400 sq mm surface area and 3mm thickness.
19.3. Provision must be made for the fixation of seals by Scrutineers if deemed necessary.
19.4. Where ballast is fitted to touring sports, sports racing or GT Vehicles it shall be fitted as Homologated by the FIA or, in the Passenger’ s location.
19.5. Single seat racing cars are exempt from the above mounting requirements.
20. Safety 20.1. All Vehicles must comply with Safety Regulations as itemised under their Specific Technical Regulations.
20.2. The Vehicle occupant( s) seated in their normal position wearing normal equipment with seat belts fastened and the steering wheel in place must be able to evacuate the cockpit in a maximum of 10 seconds.
21. Miscellaneous
22. Vehicles: 22.1. Must be of sound construction and mechanical condition and be well maintained. 22.2. Must have positive fastenings for all doors and all hinged or detachable parts of the bodywork. 22.3. Must have no temporary parts incorporated in the construction.
22.4. Need not be equipped with seat belts speedometer spare wheel or bumpers if the Event is held on private property unless specified to the contrary by Official Documents. Any exposed sharp ends of bumpers or other Bodywork must be protected.
Motorsport UK 2025 National Competition Rules Version 11
Chapter 7 Appendix 2- General Technical Regulations 246