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The HKS 50mm weld-on BOV flange is a steel adapter flange for mounting a 50mm blow-off valve to turbo intake piping. Its weld-on construction provides a permanent, low-leak mounting point for forced-induction setups, giving a clean, sturdy connection for aftermarket BOVs where a bolt-on option isn’t practical and simplifying installation on custom piping runs.
HKS 50mm Weld-on Steel BOV Flange
