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If you need a new crankcase for your late air-cooled 911, you can now order one from a dealer.

If for whatever reason you need a new crankcase for your air-cooled Porsche 911, you need to go used. That can make full engine rebuilds tricky, but if you're working on a 911 engine made from 1984 to 1998, there are now a handful of new crankcases for sale. You'll just have to call up your local Porsche dealer soon if you want one.

Porsche had a small stock of old crankcase blanks in storage, and its Classic department wanted to mill them into working components, but the original plans were illegible. So, they sat. But recently, Porsche Historic Motorsports began making new crankcases for the 962 Group C car—a fixture on the historic-racing scene—and someone realized that the 962 crankcase and the 911 crankcase were almost identical. The Historic Motorsports department shared its plans with the Classic department, and a local company got to work actually machining the old blanks.

You can order three different versions of this crankcase, which fit seven different 911 variants:

Essentially, this crankcase works for most every 911 built from 1984 to 1998, save for ultra-rare 3.8-liter variants of the 964 and 993. Additionally, Porsche Classic is now selling entirely new crankcases and complete engines for the 962 C.

Cost for the 911 crankcase in the U.S. is $7978.85. That's lot of money, for sure, but if you're doing a full-on restoration, it's probably well worth it. But call up your dealer soon. Porsche only has around 100 of these blanks, and once they're gone, that's it.