Lycoming Engine Case Splitting Tool

Ryan Machine, LLC Verified independent store

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The Lycoming engine case splitting tool can be used on both four and six-cylinder engines. It will also work on the older "Narrow-Deck" and the newer "Wide-Deck" engines. There are two optional plates that allow the engine to be separated without having a crankshaft installed. This Case Splitting tool will not work on the O-235 engine. We are able to provide plates for the O-235 engine if you need them. See our article in the January 2014 edition of Kitplanes on using our tool. The part number equivalents for this tool include: ST-122 pressure plates, ST-389 Crankcase Separating Tool, and ST-389-1 Asymmetrical Crankcase Separating Tool. Show more