A-96728-77 Guide sleeve, crankcase lapping tool

For later Sportster engine builds, this Eastern guide sleeve is an essential part of your crankcase lapping kit. Designed for use on models with Timken bearings, this sleeve ensures that your lapping tool remains perfectly centered during the machining process. Precision in the crankcase is non-negotiable if you want the engine to last, and this tool helps achieve the exact tolerances required for a smooth-running motor. This specific guide sleeve fits 1977 to 2022 XL Sportster models, covering a wide range of Evolution and late Ironhead powerplants. It is built for durability and accuracy, meeting the demands of professional Harley mechanics.