AST Suspension Coilovers- BMW M3 (F80) / BMW M4 (F82, F83) Coil Springs Spring rate 80 N/mm

Spring rate 80 N/mm

Manual fan control for advanced engine cooling

One pair of Paragon Performance 355mm x 28mm (13

40mm Inconel Exhaust Valve - Set of 8

An upgraded fuel pump is essential to feeding aftermarket fuel injectors once the factory fuel system has reached it's limits

AST Suspension Coilovers- BMW M3 (F80) / BMW M4 (F82, F83) Coil Springs Spring rate 80 N/mmWhen 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