This is a rebuilt engine-driven fuel pump designed for fuel-injected aircraft engines such as Lycoming TIO/IO series. It is engineered to deliver consistent fuel pressure and flow to the fuel injection system, ensuring reliable engine operation across all power settings. The unit is rebuilt to new tolerances using approved data, with critical internal components replaced regardless of wear, providing performance comparable to new units. It is a direct replacement for Lear Romec RG9080J4A, commonly used in high-performance and turbocharged engine applications.