All 123 Class A(i) - Road Cars - Series Production up to 2000cc 5 Class A(ii) - Road Cars - Series Production over 2000cc 6 Class A(iii) - Road Cars - Series Production 4WD, any capacity 1 Class B - Road Cars - Specialist Production Cars, any capacity 4 Class C(i) - Modified Cars - Series Production up to 1400cc 2WD 3 Class C(ii) - Modified Cars - Series Production over 1400cc and up to 2000cc 2WD 0 Class C(iii) - Modified Cars - Series Production over 2000cc 2WD 5 Class C(iv) - Modified Cars - Series Production 4WD of any engine capacity 4 Class D - Modified Cars - Specialist Production, any capacity 0 Class E - Sports Libre Saloon and Sports Cars – models originally built with a minimum of 4 or 2 seats respectively, either 2WD or 4WD, of any engine capacity 0 Class F - Sports Libre Cars up to 2000cc 5 Class G - Sports Libre Cars over 2000cc 1 Class H - Racing Cars up to 600cc 0 Class I - Racing Cars over 600cc and up to 1100cc 6 Class J(i) - Formula Ford Racing Cars up to 1600cc, manufactured pre-1994 7 Class J(ii) - Racing Cars over 1100cc and up to 1600cc 10 Class K(i) - Racing Cars over 1600cc and up to 2000cc (Normally Aspirated) 13 Class K(ii) - Racing Cars over 1600cc and up to 2000cc (Forced Induction) 6 Class L - Racing Cars over 2000cc 20 Class M - Sports Racing & Racing Cars manufactured up to 1971 inclusive 0 Class N - Sports Racing & Racing Cars manufactured up to 1985 inclusive 2 Gurston Masters - BARC SW Members (RS Interclub & National Licence Grades) 25