AST Suspension Coilovers- Audi A4/S4 (B8) Model:Default Title Boost-safe — no check valve

Boost-safe — no check valve required

Note: Not compatible with AMG GT 4-Door models

and are not compatible with GiroDisc hats

025mm Oversized High Performance Main Bearing Set

AST Suspension Coilovers- Audi A4/S4 (B8) Model:Default Title Boost-safe — no check valveWhen it comes to elevating your vehicles handling, precision, and on track performance, AST Suspension delivers uncompromising quality engineered for the most demanding drivers. Whether you are carving up local backroads or chasing podiums at Time Attack events, AST provides a suspension solution tailored to your exact needs. Here is why AST Suspension stands out from the competition: 100% Made in the Netherlands: Every AST Suspension kit is