A-96727-56 Guide sleeve, crankcase lapping tool

Precision is everything when lapping crankcases, and this Eastern guide sleeve is designed to provide exactly that. It is specifically intended for use on models equipped with, or converted to, Timken-style bearings. This guide sleeve fits 1955 to 2017 Big Twin models, excluding the Milwaukee-Eight. By providing a stable and accurate guide for the lapping tool, it ensures that your bearing races are perfectly aligned and surfaced. This is a must-have for any mechanic performing bottom-end work on Evolution or Twin Cam engines where Timken bearings are used. This high-quality tool is listed under part number 512924 and is built for long-term workshop use.