The Action Clutch steel flywheel for Audi RS4 (2007–2008, 4.2L) is engineered to trim rotating mass for improved throttle response and crisper shifts while retaining steel strength for demanding use. Designed and built in the USA with attention to maintaining reliability under higher loads, it targets drivers who need a balance of responsiveness and durability for street and race scenarios.
Action Clutch 07-08 Audi RS4 4.2L Steel Flywheel