Brought to you by Bitter End - Old School Choppers - One-Stop Shopping for Hardcore Chopper Builders. The item "S&S Stock Flywheel Assembly for XL 1977-1980, Replaces OEM No 23900-75" is in sale since Tuesday, July 14, 2015. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts". The seller is "bitterendoldschoolchoppers" and is located in Des Moines, Iowa. This item can be shipped worldwide.