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The OS Giken Overhaul Kit A is a service kit intended for Impreza models on GDB/GRB platforms equipped with EJ20 or EJ25 engines. Packaged as an overhaul solution, it supplies the components required to perform a comprehensive rebuild consistent with OS Giken’s model-specific overhaul offerings. The kit naming indicates compatibility with the SB041-BR6 reference and is meant for professional engine overhaul procedures.
OS Giken Toyota Subaru GDB/GRB EJ20(25) Impreza Overhaul Kit A (For SB041-BR6)
