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The RS-R coilovers are all monotube hand assembled systems specifically designed to improve ride quality, performance, and comfort.
Utilizing components such as; laser cut upper mounts, hand welded lower brackets, vehicle specific valving, are all assembled by hand to ensure quality and detail. Utilizing Urethane bushing instead of bearing to reduce excessive vibrations from every day driving, as well as minimizing noises from suspension movements.
On MacPherson type suspension, as the suspension rotates along with the steering wheel, the coil springs may be prone to twisting. RS-R suspension utilizes roller bearings to eliminate spring twist noise.
Rubber padding is utilized to help eliminate potential noise from suspension movements.
Damper adjustment dials are up to 36 way adjustable to tune the shocks compression and rebound to each individuals needs for almost any driving condition.
If desired, the upper mounts on select vehicles can add 1.5 degree of camber from the preset setting by unbolting the upper mount and rotating the plate 180 degrees. (for more precise control of camber, adjustable camber plates are available for select models)
Chassis Code: GRB 2008-2013 Subaru WRX STI
Recommended adjustment range:
Front -5mm to -45mm
Rear -5mm to -45mm
Recommended height:
Front -25mm to -30mm
Rear -15mm to -20mm
Maximum adjustment range:
Front 0mm to -75mm
Rear +25mm to -60mm
Spring rate:
Front 8.00kg/mm
Rear 7.00kg/mm
Dampers are 36 way adjustable in the front and 36 way adjustable in the rear.
RS-R began life as a wholesale distributor in Osaka, Japan. Unsatisfied with the quality of parts we were able to obtain, we started our own factory in September 1980.
In 1980 RS-R established our own research and manufacturing facility. Since then we have been offering high performance, high quality products unavailable anywhere else.
In 1998 we established distribution in America and the rs-r.com website. In 2011 we opened RS-R USA, our American subsidiary company. We are working to establish our brand and reputation in America.
We strive to create only high-performance/high-quality products that do not exist in offerings from other companies. We do that by actively embracing the trial of motorsports competition such as drag races, N1, sprints, drifting, rallies and Super GT.
Now we are in the 21st century, where the social climate and technological innovation changes quickly. We want to pursue what our customers need, and what is best for society. In order to do that, we are committed to develop and manufacture products that satisfy the demand of our consumers now and in the future Ì´Ì_ÌÎÌÌÎÌ¥ without forgetting our beginning through the best technology and service.
We take pride in our young energy, imagination and curiosity; our continuously questioning mind; and spirit of fortitude.