- any side-winder chassis designed for model car racing at 1/24 scale. Assembly must be done by screwing or glueng, not by soldering.

- The only allowed motors will be tagged and ran-in Proslot Competition motors, randomly picked by the teams at the race direction. These motors remain the exclusive property of Slotracing Merlijn and must be returned after the race. At least 2 motors will be available for use by every participating team.
- motor replacement will only be possible at the race direction
- These motors will be pre-fitted with an 8 teeth M50 pinion. Other pinions are not allowed.

- Maximal width of the rear and front axles at any time : 83 mm, wheels must be completely covered by the body when viewed from above

- Of standard make, maximum length of blade 27 mm

- Minimum rim width: 5 mm
- Minimum tire contact surface: 5 mm
- Minimum tire diameter: 23 mm
- Rim diameter: between 17 and 20 mm
- Independent front wheels are allowed
- The front wheels must be equipped at all times with realistic inserts. A missing insert must be replaced immediately.

- No work on the rear tyres is allowed. Min. Ø 26,0 mm during and after the race.
- The only allowed rear wheels will be tagged, hand-out Scaleauto Procomp 3, Ø 27,5 x 13 mm, inside Ø 20 mm. 5 sets will be available for each team for the race.
- The rear wheels must be equipped at all times with realistic inserts. A missing insert must be replaced immediately.

- No restrictions

- 38 to 46 teeth spur gears will be allowed

Allowed bodies :
Any commercially available Group C body
- The body must be complete at all times during the race. The only allowable exceptions are rear view mirrors and windshield wipers. Any other missing part must be replaced immediately.
- All bodies must be equiped with a painted and detailed 3-dimensional interior, with at least a driver figure, separate helmet, steering wheel and dashboard

- Total car weight must be minmum 165 gr.

- Ground clearance will be periodically checked during the race.
A) Car entering or re-entering the track:
- front: 1.0 mm on tech block
- rear: 1.0 mm on tech block
B) During the race:
- front: 0.4 mm on tech block
- rear: 0.4 mm on tech block
- Rear ground clearance will be measured below the entire rear end of the chassis, from the physical end of the chassis, till 20 mm in front of the rear axle.
- Front ground clearance will be measured between the point 20 mm in front of the rear axle, and the utmost front of the chassis.

- The cars must be equipped with a light set. These lights must be working visibly during the entire period determined as "night conditions" In case of a defective light, this must be repaired immediately.