Manufactured in China, Focused on Custom Coilovers for Cars & Racing
Explore Custom Solutions →Precision dampening. Custom spring rates. 100% tailored.
Our coilovers undergo rigorous testing on professional circuits. Real‑time damping adjustments give you the edge when every millisecond counts. Developed with input from professional racing teams.
Request Custom Setup →"The custom valving transformed my track day experience. J-PLUS delivered exactly what I needed."
— Alex R., Pro Drifter"Perfect fitment, incredible support. The coilovers are race-ready right out of the box."
— Jamie T., Time Attack
Fully customizable spring rates, mono-tube damper, 32‑click adjustment. Tailored for your chassis and driving style.
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External reservoir, high-speed/low-speed damping, extreme heat management. Designed for endurance and sprint races.
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Intelligent air suspension with app control, custom valving, and perfect stance without sacrificing handling.
Inquire Now →"J-PLUS made my car feel planted on every corner."
— Mike S."Custom tuning support is unmatched. Best upgrade ever."
— Sarah K."From street to track – flawless transition."
— D. LeeGerman machining centers ensure micron precision.
Every damper validated on custom dyno for consistency.
Strict quality control from raw material to assembly.
Collaboration with GT teams to push technology.