This is a small business set-aside opportunity for an indefinite-delivery, indefinite-quantity contract with one base year and one option year, covering motor vehicle transmission and power train parts. Performance is F.O.B. destination to UNICOR in Glenville, WV. The contract includes an Economic Price Adjustment tied to a specific Producer Price Index, and offerors may challenge the index in writing at least five calendar days before the offer due date. The government may request bid samples and add future requirements from other UNICOR factories if deemed within scope and fairly priced. All questions must be submitted in writing by May 26, 2026, with proposals due on June 2, 2026, at 2:00 PM CST.