Cusco
Cusco Pro-Adjust Kit RS LSD Rear 350Z/370Z 6MT
$3,340.57
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Part price$3,340.57
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✓ Confirmed-fit parts — add your vehicle in your Garage to check fitment.
Pro-Adjust service kit for the Cusco RS plate-type rear LSD on Z33, Z34, and CPV35 models with the 6-speed manual. Retune preload and ramp bias on the installed unit without a full diff replacement — useful after heavy track use or when you want to shift the engagement character.
The diff's already in there doing work; give it a service tune rather than a full swap.