CUSCO 6A3 61N CN Coilover Kit STREET ZERO A for SUBARU WRX S4 (VBH) 2021-

40-Way Adjustable Damper System

Featuring thumb twist 40 way damper contol dial at the top of the strut or shock absorber, easily switching ride preference. Also compatible with in-cabin electronic control with optional eCon2 Electronic Control Module

Full-Tapped Bottom Bracket Height Adjustment

Allows for complete height adjustment without altering the spring preload, allowing full suspension stroke regardless of set vehicle height.

Upper mount included in this system

Packaged in the Street Zero A are Cusco Upper Mount. McPherson Strut assemblies come with aircraft-grade ball jointed camber adjustable mount. All other design applications come with high stregth rubber mounts.

CPRV Valves used in all Street Model Cusco Coilover

CPRV design ensures that shock absorbers can fully function at the rated damper setting over a wide range of suspension stroke speeds, ensuring that the performance, control, and stability are maintained.

eCon 2 (Optional) Electronic Controller Compatible

In-cabin, on-the-fly damper adjustment is now a reality adding to the benefit of Cusco Street Series coilover systems.

All Cusco suspension are developed specific to application

Each vehicle application are tuned and damper valves set accordingly We do not use one-system-fits-all approach as we believe that every vehicle we tune has a specific character. This ensures that our systems do not have adjustment ranges unnecessary, and that whole system acts to enhance the driving experience as primary design goal.

All Cusco Suspension Systems are made in Japan, with higest industry-standard facilities meeting ISO 9001 and SEA Standards.