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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Radiator assembly only — hoses and clamps sold separately
Verify your vehicle's mounting method before purchase — most mount at factory rocker and frame points using existing hardware or OEM-spec fasteners from your local parts store
Top-Touch Panel for Instant Mode Adjustment
Factory mounting and inlet/outlet positions match the original — existing hoses will connect directly
4-row aluminum construction
HKS Super Sequential Blow Off Valve 4 Kit SSQV4 Nissan S13 16-17 Porsche 911 Turbo/Turbo S (991.2) Radiator assembly only — hosesHKS 71008 AN024 Super Sequential Blow Off Valve 4 Kit SSQV4 Nissan S13 In 1994, HKS introduced the first Sequential Blow Off Valve featuring a unique, pull type, sequential valve structure and a differential pressure control system. This advanced pull type relief system allowed for stable operating ranges from low to high boost pressures. Since imitation is the highest form of flattery, HKS has once again redesigned the physical aspects of the Super