Class Structure
Class 1
Maximum 1000cc · Built to MSUK/MI Junior 1000 Spec · Age 12–17
Maximum 1000cc · Built to MSUK/MI Junior 1000 Spec · Age 12–17
Class 2
Maximum 1250cc · Age 12+
Maximum 1250cc · Age 12+
General
✓Cars must remain in a roadworthy condition — functional headlights, brake lights, taillights, 2 exterior door mirrors, 1 interior rear view mirror, glass windows, horn etc. Original fuel tank and system must remain.
✓Drivers from age 12+ are permitted. Any driver aged 12–17 must always carry an adult passenger during competition.
✓Any wheel rim of 12, 13, or 14 inch diameter may be fitted (alloy or steel), up to a maximum of 6 inches wide. Mixing 13 and 14 inch rims front-to-back is permitted, but not side-to-side.
✓Tyres marked “for rally use”, “not for road use”, or “for racing purposes only” are not permitted. Permitted tyres: Toyo Proxes R888R, Yokohama AO48, or AO50 only.
Safety Requirements
✓A 6-point FIA approved bolt-in cage must be fitted. Mounting plates and brackets must be welded to the floor. A valid FIA approval sticker or document must be presented at scrutineering.
✓A handheld 2-litre fire extinguisher must be securely mounted to the floor — functional, in-date, and refilled if required.
✓Internal and external kill switches must be fitted and clearly indicated. Both must be connected to the battery, functional, and ready to be tested at scrutineering. The internal kill switch must be accessible to both driver and passenger when harnessed.
✓Harnesses must be FIA approved and in good condition with no visible signs of wear. A 5-year extension is permitted on the expiry date — date stamps must remain visible for scrutineering.
✓Seat belt must be a minimum 5-point belt.
✓Front side windows must be covered with safety film.
Chassis
Chassis must remain as of original manufacture. No reinforcing, removing, or adding material is permitted. No lightening of the original structure is permitted.
Interior
✓Seats must be replaced with an FIA approved competition alternative. Competition mountings must be used. Motorsport-specific sliding seat rail is permitted.
✓The driver’s and passenger airbag units, SRS control unit, and side impact sensors must be removed completely.
✓The standard steering wheel may be replaced with a competition alternative.
✓The main dashboard must remain. The heating and ventilation matrix, blower fan, and ducting behind the dashboard must remain in its entirety. OEM plastic under-carpet ducting may be removed.
✓Interior mirror must be fitted — size is free.
✓A footplate may be added to the driver/passenger footwell. Dash flocking permitted. Interior may be painted. Handbrake extensions may be added to aid control.
Permitted Interior Removals
Lower dashboard shelves / glovebox · In-car entertainment and all speakers · Headlining, insulation, sound deadening, and carpets · Sun visors · All interior plastic trim · Rear windscreen wiper, arm, and mechanism/motor assembly · All original seat belt mountings (front and rear) · Non-structural mounting brackets (rear seat backing brackets, SRS ECU mounting, etc.) · Rear parcel shelf · Passenger front seat and rear seats
Bodywork
✓Bodywork/exterior must be standard in all respects except where specified in these regulations. Fibreglass panels are not permitted.
✓Rear tailgate — retaining pins/straps must be fitted and the electric catch must be removed.
✓Bonnet — catches must be removed and bonnet retaining pins and/or straps fitted. Under-bonnet soundproofing may be removed.
✓Two towing points must be fitted front and rear, bolted to the front and rear crash structures. Straps must be in a contrasting colour (e.g. red, orange, or yellow) and clearly indicated.