Fitment Information Audi A4 / A4 Quattro (B9) / S4 (8W) 2018 2019 2020 2021 2022 2023 2024 2025 Excl. Electronic Dampers 53mm Front Axle Clamp Specs & Features 32 way adjustable dampers (soft to firm) 10kg front and 5kg rear springs Height adjustment range of about 1" drop from max height to about 3" maximum drop Includes a full set of 4 One year warranty when purchased through Redline360 (an Authorized Rev9 Dealer) Part Number: R9-HS2-090 Product Description Looking for coilovers but don't want to break the bank? Rev9 budget coilovers are considered one of the best "cheap" coilovers on the market and provide you with features that are just not found on other coilovers in this price range.  Includes top hats and 32 way adjustable dampers with height adjustable shocks, these Rev9 coilovers are perfect for those who want to replace all of their shocks and have a height adjustable coilover suspension.   Excellent balance between comfort and performance and designed for those who daily drive their cars. Rev9 put these to the test and have compressed the springs over 600,000 times to ensure they are long lasting! Of those tests, the distortion rate was only 0.04% - meaning these are built to last! Redline360 is an authorized Rev9 dealer and Rev9 validates their warranty when you purchased through us.