Champs
KNC SRC = KNC Groundworks Scottish Rally Championship    

Class
CLASS C1 = SRC Clubman two wheel drive cars up to 1450 cc    
CLASS C2 = SRC Clubman two wheel drive cars from 1451 cc to 1650 cc    
CLASS C3 = SRC Clubman two wheel drive cars from 1651 cc to 2050 cc    
CLASS C4 = SRC Clubman two wheel drive cars over 2051 cc    
CLASS C5 = SRC Clubman 4WD cars    
CLASS M1 = All 2WD cars up to 1450 cc    
CLASS M2 = 2WD cars – 1451cc to 1650cc. Sequential Gearboxes prohibited    
CLASS M3 = 2WD cars – 1451cc to 1650cc not classified in class M2. Includes any FIA homologated R2 car (naturally aspirated or Turbo and any Forced Induction car up to 1000cc    
CLASS M4 = 2WD cars – 1651cc to 2050cc, 8 valves or less    
CLASS M5 = FWD cars - 1651cc to 2050cc, more than 8 valves. Includes any FIA homologated R3 car (naturally aspirated or Turbo) and any Forced Induction car 1001 to 1600cc    
CLASS M6 = RWD cars - 1651cc to 2050cc, more than 8 valves    
CLASS M7 = All 2WD cars over 2051cc    
CLASS M8 = Any 4WD car not classified in class M9 or SRC Pro, without a sequential gearbox (including previously FIA Homologated GpN 4WD cars)    
CLASS M9 = Any 4WD cars homologated in the following classes, or previously Homologated as such, providing these run as per their homologation papers; • FIA Homologated GpA 4WD cars • FIA Homologated Super 2000 cars • FIA Homologated R4 cars All Metro 6R4’s and any derivative therefrom. Any other 4WD car not c    
CLASS H1 = All Historic Category 1 & 2 cars. Category 3 cars with single cam engines. Category 4 cars up to 1600cc    
CLASS H2 = All Historic Category 3 cars with multicam engines Category 4 cars over 1601cc in compliance with R49.1.5    
CLASS P1 = FIA Homologated WRC cars and cars previously homologated as such and FIA Homologated R5 cars. Any derivative therefrom including RHD conversions