The HKS Super SQV4 blow‑off valve kit (FL5) is a factory‑style replacement for turbocharged intake systems that require a SQV4 valve. Supplied as a complete kit variant, it provides a reliable pressure relief path for compressor surge events and is intended for installations compatible with the SQV4 FL5 specification. Use with compatible turbo setups and reference fitment before purchasing.
HKS SUPER SQV4 FL5