Class 1: Up to 1000cc Complying with Motorsport UK Regulations

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Class 2: 1000cc to 1400cc Complying with Motorsport UK Regulations

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Class 3: 1400cc to 1600cc Complying with Motorsport UK Regulations

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Class 4: 1600cc to 1810cc Complying with Motorsport UK Regulations

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Class 5 (Open): All Vehicles that do not comply with classes 1, 2, or 4. Limited to max 1810cc

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Any 2WD vehicle with a maximum cc of 1810 cc is allowed

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Any turbo charged vehicle in classes 1 or 2 will be in the next higher class.

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Which ever class you're in you'll be in with a chance to win the Crew25 championship.