Maserati Quattroporte (M139) 2003-2012 - Muller 1-Way Series Coilovers Spring Upgrade:Swift Springs or HyperCo Substitute followed by a meticulous rebuild

followed by a meticulous rebuild by our expert technicians to return your coilovers to original factory tolerances

Camber plates are not applicable on every vehicle

All new Clamp Style Locking Rings no longer requires an additional locking ring to lock the spring perch in place

Once purchased

Rebuildable and Revalveable at our Facility in Richmond

Maserati Quattroporte (M139) 2003-2012 - Muller 1-Way Series Coilovers Spring Upgrade:Swift Springs or HyperCo Substitute followed by a meticulous rebuildCUSTOM. MODULAR. REBUILDABLE. In conjunction with Fortune Auto engineers and Muller Suspension specialists. All Muller Suspension systems are designed with maximum performance and ride quality in mind. Muller suspension systems are truly bespoke in utilizing industry lading machining methods and materials. Designed for High line Vehicles and Exotic Supercars. Amsoil Synthetic Shock Oil Flow Digressive Piston Technology Swift Springs standard on most