Bilstein B12 (Pro-Kit)-Suspension Kit (46-180841) 4024 Threaded Insert - Heli-Coil -

Threaded Insert - Heli-Coil - 3/8-16 in Thread - Steel - KRP Rear End Thread Repair Kit - Set of 6

The cats are the largest and highest flowing catalytic converters you can fit on the 718

8 Ft/lbs torque and improve throttle response

Crafted using top-grade carbon fiber materials with advanced manufacturing techniques

All Seibon components are hand-crafted by experienced technicians using advanced manufacturing techniques to ensure quality and fitment

Bilstein B12 (Pro-Kit)-Suspension Kit (46-180841) 4024 Threaded Insert - Heli-Coil -Bilstein B12 (Pro Kit) suspension kits are a complete set of B8 Performance Plus dampers paired with Eibach (Pro Kit) springs that provide moderate lowering between 24 40mm (depending on application). These kits offer dampers and springs that are tuned for each specific application to provide the best fixed height lowering solution. Bilstein B12 (Pro Kit) suspension kits provide the perfect combination of suspension dynamics, quality and aesthetics.