HKS Super SQV4 Blowoff Valve Kit For Nissan Skyline R32 GTR 71008-AN026

RB26DETT-powered R32 GT-R owners pushing beyond factory boost levels quickly discover how critical a high-quality blow-off valve becomes for maintaining consistent performance and protecting the turbo system. The HKS Super SQV4 Blowoff Valve Kit (71008-AN026) represents the pinnacle of HKS’s sequential valve technology, engineered specifically for the R32 Skyline GT-R. Its advanced differential pressure control system combined with a pull-type relief design delivers stable, precise operation across both low and high boost applications, effectively eliminating compressor surge while providing rapid boost recovery between shifts.

Built with a premium silver-coated aluminum die-cast body and a reinforced die-cast metal secondary valve, the SQV4 offers outstanding durability and a clean, factory-integrated appearance that enhances any RB26 engine bay. The distinctive triple-fin funnel at the heart of the unit generates the iconic, sharp HKS blow-off sound that enthusiasts crave, transforming every gear change into an auditory highlight. For drivers who like to fine-tune the character, HKS offers an optional Round Fin that can be purchased separately for customized sound profiling.

At Terra Firma Automotive, we supply this genuine HKS Super SQV4 Blowoff Valve Kit as the preferred choice for serious R32 GT-R builders who demand uncompromising Japanese engineering. This direct bolt-on solution not only improves throttle sharpness and overall turbo response but also adds a layer of reliability and visual appeal that reflects the quality expected from top-tier Skyline builds. Whether you’re running street-driven boost, track days, or spirited canyon runs, the SQV4 delivers measurable improvements in boost control and driving enjoyment while maintaining the legendary character of the R32 GT-R.

 

• Super SQV4 sequential valve structure with differential pressure control
• Pull-type relief design for stable operation from low to high boost
• Silver-coated aluminum die-cast body with metal secondary valve
• Triple-fin funnel produces the signature aggressive HKS blow-off sound
• Eliminates compressor surge while sharpening throttle response
• Direct bolt-on fitment for R32 Skyline GT-R (BNR32) RB26DETT
• Durable construction engineered for sustained high-boost reliability
• Optional Round Fin available for personalized sound tuning
• Premium under-hood aesthetics that complement modified RB26 builds
• Maintains consistent boost control under aggressive driving conditions
• Improved shift feel and faster boost recovery between gears
• High-quality HKS engineering with proven real-world performance
• Ideal upgrade for both mildly tuned and heavily modified R32 GT-Rs
• Pull-type mechanism ensures reliable function regardless of boost level
• Genuine HKS product backed by decades of Skyline tuning expertise
• Enhances overall turbo system efficiency and driver engagement
• ⚠️ Emissions / California Legal Disclaimer – Off-Road / Competition Use Only: This product is intended for off-road, competition, and track use only. It is not legal for sale or use on public roads or highways in California (or any other CARB-adopting state). For more information Click Here.