Laser 8503 Engine Timing Tool Kit Fits Audi 2.9 & 3.0L Petrol Features and Benefits: Developed for the latest generation (EA839) Audi 2.9 and 3.0L V6 TFSi petrol engines including the mild hybrid versions. The Laser 8503 kit is designed to lock the camshafts in the method approved by the manufacturer. Applications include: Audi A6 (2018 – 2021), A8 (2017 – 2021), Q8 (2019 – 2021), RS4 (2017 – 2021), RS5 (2017 – 2021), S4 (2017 – 2020), S5 (2016 – 2020), SQ5 (2017 – 2020) & RS4 (2017 – 2021). Engine Codes include: 3.0L CWGD, CZSA, CZSE, DCBD, DLZA & 2.9L DECA. Equivalent to OEM: T40331, T40331/1, T40331/2, T40331/4, T40331/5, T40331/9, T90000, T90001, T90002. Use in accordance with OEM instructions.