HKS Super SQV3 Aftermarket Blow-Off Valve | Sequential Turbo Universal BOV

The HKS Super SQV 4 Aftermarket Blow-Off Valve (71007-AK001) delivers high-performance boost control with iconic turbo sound. Designed with a dual-stage sequential valve structure, this universal BOV provides crisp, responsive pressure relief across the full boost range—from low throttle to wide open. Its pull-type relief valve ensures consistent operation regardless of boost levels, offering superior reliability and smoother throttle transitions. Constructed with a nickel-plated die-cast metal valve and durable stainless steel components, the SQV 3 is built for long-lasting aftermarket performance.

This aftermarket blow-off valve is compatible with all previous-generation HKS SSQV flanges, inserts, and recirculation kits—making installation straightforward whether you’re upgrading or replacing. Known for its aggressive high-frequency sound and polished aesthetic, the HKS Super SQV 3 is a must-have for turbocharged enthusiasts looking to elevate both performance and engine bay appeal. It's the perfect universal solution for drivers who demand responsiveness, durability, and that unmistakable HKS sound.