To fit a DCCD unit into a VCD box you need the diff and transfer gears. And you need to drill out the hole for the DCCD wires to come through. Getting the DCCD unit itself is easy enough. But the transfer gears are a pain to get for a reasonable price.

Better off just selling the VCD box and putting in a DCCD box. Or getting a Cusco Tarmac if you just want some dori dori action.

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RS Liberty - Because WRX's are only good for parts...