This shim tool replaces OE # 91-56048 and it is used for setting the pinion gear height on Mercruiser Alpha One Generation I, Generation II, and 3.0L Mercury outboard gearcases. ONLY

Please note that all orders will be shipped directly from our trusted vendor in the USA. This allows us to offer a wider range of products and faster shipping times. We appreciate your understanding and assure you that we will provide the highest level of service and support for your purchase.