Yes, expensive... The good part about it is that they last if rebuilt properly. Not uncommon to get 100,000 to 200K or more between rebuilds. Try that with your other exotics.
What year is it? Looks like and 86 or 87 and is it a euro?
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"If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough horsepower"
-Mark Donohue