Dropping in pistons. Using a sleeve, we safely drop pistons into their chambers. Photo by Kathleen Dolan. Post author By Sean Ongley Post date May 19, 2020 No Comments on Dropping in pistons. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.