Cusco
Cusco Pro-Adjust Kit, RS LSD, Mazda RX-7 (FC3S/FD3S)
$3,388.29
Taxes and shipping shown at checkout. Typical delivery is 3 to 7 business days across Canada.
✓ Confirmed-fit parts — add your vehicle in your Garage to check fitment.
Pro-Adjust service kit for the Cusco RS plate-type LSD in the FC3S or FD3S RX-7. If the diff is structurally sound but not performing how you want, the included shims and springs let you retune preload and ramp bias and dial in engagement feel, no full replacement unit required.
- Includes shims and springs for retuning preload and ramp bias
- Dial in engagement feel on a structurally sound diff without pulling the whole unit
Fits: Mazda RX-7 (FC3S/FD3S), Cusco RS LSD.
