VAG Turbo Families – VW/Audi/Seat/Skoda 1.8T 20V R4 transverse engines There are three names you will find when looking for turbos on 1.8T 20V transverse engines. K03, K03S and K04. Each one being bigger than the one before. K04 comes in two flavours: K04-001 and K04-023. K03, K03S and...
Read moreVAG Turbo Families – VW/Audi/Seat/Skoda 1.8T 20V R4 transverse engines
