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The HKS Twin Turbo Kit centers on the Symmetry turbine GT5565 BB with a 3-bolt flange and 0.73 A/R specification, presented as part of a twin-turbo offering. This component targets applications needing a high-capacity turbine housing and turbine geometry tuned for responsive boost delivery. The kit reference highlights the GT5565 Symmetry turbine with 3-bolt mounting and A/R 0.73 for forced-induction setups.
HKS SYMMETRY TURBINE GT5565 BB 3BOLT A/R 0.73
