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HKS Super SSQV4 Blow Off Valves

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 Sequential Blow Off Valve to thwart off the counterfeiters.

Reliable functionality of the Super SQV 4 is unchanged and utilizes the same mounting flanges as all previous generation SSQVs. This assures compatibility with all optional HKS SSQV inserts, recirculation fittings and recirculation kits.

Super SQV 4 features include a nickel-plated, die-cast metal secondary valve, which is swaged to the primary valve, a stainless steel C-Clip and spring to increase sealing and durability.

Universal HKS Blow Off Valves
Blow Off Valves$295.00$251.93  Add to Cart
HKS Super SSQV4 Blow Off Valve Reviews
  (9 of 10) 2 Reviews    Write Review
1004/28/2013The blow-off valve came as promised in the picture given, it sounds and looks very nice, when the bov sounds off while driving its a head turner. It came with all hardware that was mentioned before purchase, these guys are great and mean business. Thanks HPF
803/10/2013Works as advertised...C-Clip is a PITA to seat correctly, but once in it holds it tight with no leaking (pressure tested it to 30psi, my 1st gen SSQV leaked at 12psi!). Only gripe I have is that you do get a small amount of turbo flutter when letting off the gas at low boost levels (1-3psi), which may not be an issue with higher flowing turbos...I'm running a GT2560R on an SR20DET G20. With a T3/T4, Disco Potato, GT3076, etc. you'll probably be fine. THE signature blow off sound...not painfully piercing like a Greddy Type-S, but people WILL turn their heads when they hear it.

Have you seen these Blow Off Valves?

Parts Available: 71008-AK001