The Department of Homeland Security, specifically the United States Coast Guard (USCG), is seeking to procure modification kits for engines through a sole source contract with Sikorsky Aircraft Corporation. The procurement involves two specific engine modification kits, with a total quantity of four kits required for each engine, aimed at ensuring the operational readiness of Coast Guard aircraft. The delivery of these kits is requested within 200 days after receipt of order, with an early delivery encouraged at no additional cost to the government, and the final delivery date set for June 15, 2025. Interested parties may submit quotations to the designated contacts, Julie G. Lininger and the MRR Procurement Mailbox, by April 3, 2025, at 2:00 PM EST, referencing solicitation number 70Z03825QJ0000168.