RS*R Coil Spring
RS*R Coil Springs: Japanese Engineering Meets Performance Suspension
RS*R (Racing Studio-R) has been a cornerstone of the performance suspension world since opening its own factory in Japan in 1980. While the brand covers a broad range of suspension products, it is their coil springs that have earned a devoted following among enthusiasts worldwide — and for good reason. RS*R's spring lineup is built around a clear philosophy: lower the vehicle's center of gravity and sharpen its handling without sacrificing the daily-drive comfort that most owners demand.
Purpose-Built Spring Lines for Every Driving Style
RS*R offers several distinct coil spring series, each tuned for a different type of driver and application. The Down Sus series is RS*R's entry point into performance lowering — it provides a mild drop and improved handling, and is engineered by taking into consideration the factory suspension geometry, shock dampening, spring rate, and ride height levels . This makes installation straightforward and ensures the springs work harmoniously with OEM dampers.
For drivers seeking a more significant transformation, the Ti2000 series represents RS*R's most technically sophisticated coil spring line. The Ti2000 is designed to give the driver the maximum drop in ride height without compromising riding comfort. What sets it apart is its materials science: in making the Ti2000 coil, a high-frequency induction furnace is used in order to reduce the time needed to forge the metal , resulting in a tighter, stronger crystalline structure. Due to the new materials used in the Ti2000, RS*R has been able to make a highly durable suspension coil with a smaller diameter and fewer spring coils, reducing overall weight by more than 2kg. That weight savings has a real, measurable impact on unsprung mass and vehicle dynamics. The Ti2000 line spans multiple variants — including Ti2000 Down, Ti2000 Half Down, Ti2000 Super Down, and Ti2000 Hi-Road — giving buyers precise control over how much they lower their vehicle.
The standard RS*R Down, Super Down, and Hard Down series round out the lineup for those who prefer a proven, traditional spring steel construction. All RS*R series come with a 3-year/50,000km limited warranty , while the Ti2000 titanium-alloy springs carry an unlimited warranty on materials.
Precision Manufacturing & Vehicle-Specific Fitment
The RS*R suspension coil range is available for a large number of vehicles and has proven a popular, easy, and effective way to lower a vehicle whilst maintaining ride comfort. Every spring in the lineup is engineered to vehicle-specific tolerances rather than adapted from a universal design, which means spring rates, drop heights, and coil geometry are matched to the exact load and geometry requirements of each application. The Ti2000 uses a 2-part epoxy coating with excellent resistance against corrosion, while the polyester finish provides great protection against color fade.
Why Choose RS*R Coil Springs?
- Multiple series — Down Sus, Ti2000 Down, Super Down, Hard Down, and more, covering mild to aggressive lowering
- Ti2000 titanium-alloy technology — lighter, smaller-diameter coils with superior durability
- Vehicle-specific tuning — each spring is calibrated to preserve OEM suspension geometry
- Highly durable construction — highly durable construction guaranteed to perform under harsh conditions
- Backed by warranty — standard series covered 3 years/50,000km; Ti2000 materials carry an unlimited warranty
The RS*R team is actively involved in motorsports competition including drag races, N1, sprints, drifting, rallies, and Super GT — meaning every coil spring product benefits from real-world race development before it reaches the street. Browse the full selection of RS*R coil springs or explore the complete RS*R brand catalog to find the right spring for your build.