The BorgWarner EFR S300SX-E cartridge is a precision turbocharger rotating assembly with a 61.44mm compressor inducer intended as a service or rebuild core for compatible EFR turbo housings. It supplies the balanced shaft, wheel and bearings required to restore compressor function and responsiveness in a failed or upgraded S300SX-E turbo without changing housings.
BorgWarner Cartridge S300SX-E EFR 61.44mm (8380)