The HKS 91731-065100 is a high-quality O-Ring for SSQV blow-off valves, designed to ensure a proper seal and prevent boost leaks for optimal turbo system performance. It is a universal part made from durable materials, reflecting HKS's commitment to superior engineering. This product is suitable for a wide range of applications, although compatibility should be verified before purchase. HKS, a leading manufacturer in the aftermarket performance parts industry, offers this part as a testament to their innovation and quality standards​​​​​​.