ISR Performance Front Control Arm Braces for 2013-2020 Subaru BRZ RWD (ZC6) S600 6 Spring Rate - Front

6 Spring Rate - Front 9 Kg/mm (504 lbs/in) Spring Rate - Rear 10 Kg/mm (560 lbs/in) EDFC Compatible Yes Vehicle Fitment

1992 Mazda Miata RWD (NA)

2006 BMW 5 Series 2WD w/o Self Leveling Suspension (E60)

Part Number: ACS-B1103S

Heavier rates than helper springs for active suspension tuning

ISR Performance Front Control Arm Braces for 2013-2020 Subaru BRZ RWD (ZC6) S600 6 Spring Rate - FrontISR Performance Front Control Arm Braces for the 2013 2020 Subaru BRZ (ZC6) are built to add rigidity to a known flex point on the chassis so the suspension mounts can work with the geometry they were designed around. If you've lowered the BRZ on coilovers or dropped springs, factory hardware in this location can no longer keep the alignment honest these parts solve that problem and sharpen how the chassis feels under load. Every ISR front control arm