Hueco by Hitachi's Fuel Control Units (FPCs) are designed to control how efficiently fuel is used to optimize fuel economy and performance. High-quality components and materials ensure that the FPC will perform reliably under the most extreme conditions. Accurately controlling the supply of fuel to the engine aids in cooler fuel temperatures reducing the risk of vapor lock. Designed to meet the exact needs of your specific vehicle, Hitachi's fuel control units are the premium choice.