The Ferrea single spring kit for 2006–2008 Audi 2.0L FSI models supplies a matched single-spring replacement sized for that engine family. Designed to restore proper valve seating and spring control, the kit is intended for direct replacement on applicable 2.0L FSI Audi engines from 2006 through 2008. It provides the correct spring dimensioning for those factory configurations.
Ferrea 06-08 Audi 2.0L FSI Single Spring Kit