5.2.2) Gearbox
An additional lubrication and cil cooling device is allowed (circulation
pump, radiator, and air intakes situated under the car) in the same conditions
as for Article 5.1.14, but the original lubrication principle must be retained.
The gears of the additional gear box on the homologation form may be
changed, provided Chat they respect the information given on this form.

ホモロゲとれれば何でもありっぽい？