These clutch type limited slips from STI were developed in cooperation between Cusco and STI for rally use. They are homologated under VO for N14 and newer models but suitable for any application requiring similar performance characteristics. They feature a ramp option pressure ring set to allow the LSD to be set up for a wide range of surfaces and driving styles. The front LSD provides a 55 degree 1-way ramp, 45/20 degree 1.5-way ramp and a 60/45 degree 1.5-way ramp. The rear LSD provides 3 different 2-way ramps: 25/25 degrees, 45/45 degrees, and 65/65 degrees.
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