Cusco
Cusco Type-RS LSD 1-Way Rear FC3S/FD3S
$2,521.19
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Part price$2,521.19
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✓ Confirmed-fit parts — add your vehicle in your Garage to check fitment.
Plate-type RS LSD for the FC3S and FD3S RX-7 rear differential, 1-way ramp spec. The RS clutch-pack locks faster and harder than the helical MZ unit — you'll feel it engaging on throttle application and it holds under sustained power.
If you're running the car on track and want a more aggressive rear lock than the MZ offers, this is the natural step up.