Please fill out the form below for Ring Ext Retaining 88 Dia X and get a quote for part number MS6624-1087 by Lycoming Mfg Co, please include required quantity along with expected turn around time. Our knowledgeable account manager will reply you shortly. Also check for the related parts for part number MS6624-1087. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.