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The BorgWarner AirWerks S400SX cartridge (74.56/74mm) is a replacement rotating core sized as noted, intended for rebuilding AirWerks S400-series turbochargers. It supplies the cartridge components required to renew compressor and turbine rotation and bearings. Choose this cartridge when restoring an S400SX turbo, matching the listed 74.56/74mm dimensions for proper AirWerks S400 family compatibility.
BorgWarner Cartridge SX S400SX 74.56/74mm
