Salisbury 4HU Powr-Lok

[362739]

I am building a replica Cobra here in Western Australia and want to fit a Salisbury 4HU Powr-Lok diff. How rare are they in the UK as they are like "hens' teeth" here?
Can anybody point me in the right direction in the UK to access such a beasty?
Regards,
362739

[NormanD]

Personally I would use a Quaife LSD

More progressive with out the on/off feel

[a8hex]

I believe they are pretty rare even over here.
When discussing diffs with the guy who looks after my XK150 he recommended I went with the Quaife unit too, they can be fitted into older diff casings. I haven't tried it yet though, still on the old spin all the power off on one side traditionalist jobby.