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Subaru OEM Case Half Set FRS/BRZ Full Blown Motorsports Stage 1 Short Block FRS/BRZ Full Blown Motorsports Stage 2 Short Block FRS/BRZ
OEM case halves, you pick the internals Holds up to 600HP Holds up to 800HP
Full Blown Motorsports Stage 3 Short Block FRS/BRZ
Holds up to 1000HP