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The HKS SSQV4 blow-off valve kit for 1991–1993 PS13 JDM SR20DET applications replaces the factory valve with HKS’s SSQV4 to provide consistent turbo pressure relief and a pronounced discharge tone. Supplied as a vehicle-specific kit with HKS mounting components, it helps stabilize boost transients, protect the turbocharger and sharpen throttle response without extensive plumbing changes.
HKS 91-93 PS13 JDM Specific SR20DET Only SSQV4 BOV Kit
