I'm tooling up to change the valve guide seals in my M103 and I need a valve spring compressor. The head seems a little non-standard and I'm not sure what kind of tool to use to compress the springs and where to get it. Any suggestions?

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5 speed '91 190E 2.6 73,000 mi. (new car, fast, couldn't find any more Peugeots)
5 speed '85 Peugeot 505 2.5l Turbo Diesel 250,000 mi. (old car, slow)
5 speed '85 Peugeot 505 2.2l Turbo Gas 150,000 mi. (wifes car, faster)
5 speed '83 Yamaha 750 Maxim 14,000 mi. (fastest)
0 speed 4' x 8' 1800 lb Harbor Freight utility trailer (with 12" wheels)