Cusco

About Cusco: Japan's Motorsport-Bred Suspension Authority

Cusco is one of the most respected names in the Japanese performance aftermarket, with a heritage rooted in motorsport competition dating back to December 1977. Operating as a brand under Carrosser Co., Ltd. — headquartered in Takasaki, Gunma Prefecture, Japan — Cusco was built on a straightforward but demanding philosophy: engineer every part on the track, then refine it for the street. That motorsport-first ethos has shaped every component Cusco has ever produced.

Cusco specializes in car suspension parts and chassis reinforcement components, and is widely recognized for its coilover suspension systems and tower brace lineup. The brand has competed at the highest levels of Japanese motorsport, including the All Japan Rally Championship and the GT300 class of the JGTC/Super GT series, giving their engineers a real-world proving ground that most aftermarket brands simply cannot match. All Cusco products are developed, prototyped, and tested in-house before reaching production, and the company's manufacturing facilities carry ISO 9001 certification — a testament to the consistency and quality baked into every part.

What Makes Cusco Stand Apart

Cusco's product development process is both rigorous and methodical. In-house design teams use strength simulation software alongside real-world track testing to validate each component before it ever reaches a customer's hands. The result is a catalog of parts trusted by professional racing teams, weekend track-day enthusiasts, and daily drivers alike — all built to the same standard.

Among the most popular Cusco products are their iconic shock tower braces, which are purpose-engineered to reduce chassis flex under high cornering loads, keeping suspension geometry where it belongs. Their suspension strut braces work on the same principle, triangulating the strut towers to improve front-end rigidity and steering response — a modification that has become a hallmark of any serious handling build.

For builders seeking a complete suspension overhaul, Cusco's coil spring, tie rod sleeve, and sway bar kits offer a holistic approach to handling improvement, pairing spring rates and stabilizer bar sizing that have been validated together for predictable, balanced behavior. Complementing these are air suspension helper spring kits, designed to work alongside existing suspension setups to fine-tune ride height and load management. Rounding out the chassis and handling lineup, Cusco's suspension ball joints deliver the tight tolerances and durability that high-performance driving demands, replacing worn OEM joints with components built to withstand the forces of spirited driving and track use.

Cusco Vehicle Coverage

Cusco products cover an extensive range of Japanese performance vehicles, including the Subaru Impreza WRX STI, Toyota GR86, GR Supra, GR Corolla, Mazda MX-5 Miata, Honda Civic Type-R, Mitsubishi Lancer Evolution, and many more iconic platforms. Whether you're building a rally car, a time attack machine, or simply want sharper handling on your daily driver, Cusco offers a solution engineered specifically for your chassis.