United States - Export Price Index (Harmonized System): Spark-ignition internal combustion piston engines was 129.90000 Index Dec 2013=100 in December of 2023, according to the United States Federal Reserve. Historically, United States - Export Price Index (Harmonized System): Spark-ignition internal combustion piston engines reached a record high of 129.90000 in October of 2023 and a record low of 97.90000 in October of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Export Price Index (Harmonized System): Spark-ignition internal combustion piston engines - last updated from the United States Federal Reserve on April of 2026.