Z1 Q50 / Q60 3.0t VR30 Black Edition HKS Blow Off Valve Kit - Z1 Motorsports - Performance OEM and Aftermarket Engineered Parts Global Leader In 300ZX 350Z 370Z G35 G37 Q50 Q60
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Z1 Q50 / Q60 3.0t VR30 Black Edition HKS Blow Off Valve Kit

starstarstarstarstar_half 4.9/5 - (25 Reviews)
Fits models: Q50 / Q60 2017+...

Product Description

The VR30DDTT Blow Off Valve Kit includes everything needed to install blow off valves on VR30 equipped Infiniti Q50 Sedans and Q60 Coupes. 

Why do I need blow off valves?

A Blow Off Valve's sole purpose is to protect your turbo. The valve is actuated by manifold vacuum, designed to vent excess boost pressure into the atmosphere on forced induction cars when the throttle is closed. This release of boost pressure prevents damaging reverse shock waves from reaching your turbo while creating the infamous "psshhhh" sound that turbo cars are known for. Without this release pressurized air can beat the turbine shaft bearing and compressor wheel to death. In more extreme cases the compressor wheel can literally explode in the housing.

Due to the complete lack of recirculation or blow off valves on the VR30 powertrain, boost pressure remains in the intake tract when transitioning off throttle. When increasing boost pressure and tuning this leaves the tuner with two options:

A: Slamming the throttle shut when lifting off throttle. Boost pressure is not bled off, resulting in reverse thrust on the turbo's compressor wheel. This shock-load causes accelerated turbo thrust bearing wear, which will to destory the turbo.

B: Gradually shutting the throttle when lifting off-throttle (this is the "I'll risk my car and life to save these turbos" scenario).  It's like this, you have just been making a sweet power pull and the car has broken traction at about 60 mph. You're now sideways and you can't reel it back in straight so you release the throttle, but this evil car is still boosting away accelerating as you look at that oncoming telephone pole. If you're lucky you'll save it and order this kit before you have to buy replacement body work. If you didn't save it we have replacement body panels here, and you have to hope that no one got a video of you going full Mustang.

After installing blow off valves, the boost pressure is then vented to atmosphere. This saves the turbos from accelerated thrust bearing and compressor wear.  And lets you drive this car like it's meant to be driven.

Aftermarket blow off valves like the HKS SSQV4 included in this kit have the ability to flow a high volume of air, ideal for higher boost applications where the boost pressure is increased. We have used these blow off valves on applications beyond 600whp for more than a decade.

The HKS Sequential Blow-Off Valve features a unique pull type sequential valve structure, and a differential pressure control system. This advanced pull-type relief system allows for stable operating ranges from low to high boost pressures. HKS' Super SQV 4 features a nickel-plated, die-cast metal secondary valve, which is swaged to the primary valve. A stainless steel C-Clip and spring are used to increase sealing and durability.

Includes:

  • (2) HKS SSQV 4 Blow Off Valve - Black Edition
    • Includes Snap Ring, Zip Ties, and O-Ring
    • Optional Pre-assembled and Indexed In Provided Flange (Not Pictured)
  • (2) HKS Blow Off Valve Flange
  • (2) Z1 Silicone Blow Off Valve Hoses
  • (2) Z1 Silicone Throttle Body to Intercooler Hoses
  • (1) Z1 Silicone Vacuum Hose - 3ft
  • (1) Install Guide

Z1 Silicone BOV Hoses and Throttle Body to Intercooler Hoses available in the following colors:

  • Black
  • Blue
  • Red 

Fits:

  • 2016+ Infiniti Q50 Sedan 3.0t
  • 2017+ Infiniti Q60 Coupe 3.0t

Pictured installed in red along with the Z1 Q50 / Q60 VR Silicone Radiator Coolant Hoses and the Z1 Q50 / Q60 VR Silicone Intercooler Coolant Hoses.  

Available Options:

Please review the product description if you are unsure about any of the options below.

Silicone Color: Option:

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Price: $699.99

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Z1 Q50 / Q60 3.0t VR30 Black Edition HKS Blow Off Valve Kit
Z1 Q50 / Q60 3.0t VR30 Black Edition HKS Blow Off Valve Kit
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$699.99
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What our customers say

starstarstarstarstar
Aaron
January 31, 2024
Easy to install, sounds amazing, looks clean
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Austin
November 17, 2023
2019 inifiniti q50 redsport 400 Very easy installation. The BOV sounds mint!
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Michael
August 9, 2023
This is a great addition to my vehicle and let's be honest, we all bought it for the sound. With that being said, beware because your MPG will definitely go down (for me, around 23mpg to ~21.8) since you will want to keep on building boost and slamming the throttle shut to hear the Psh sound, ha! Install was intermediate difficulty for a beginner like myself and the most difficult part were the vacuum hoses in the back. I just unclipped the OEM hose from the vertical line and left it attached to the horizontal line. Then I used the supplied T fitting to connect the old and new hose together to avoid having to get too deep behind my car to replace the entire oem hose. I may fix that once it's cooler out, but it's just hoses to create the vacuum required to activate the BOV so it may not even be required. The entire install took a total of probably 2-3 hours in the Florida heat. Check for boost leaks with your ECUTek app while driving if you're tuned. Car sounds great, thank you Z1!
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Calvin
April 11, 2023
Remove the insert if you want the subtle woosh sound, a must have item!
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Tyler
February 24, 2023
Amazing sound and quality! Install was fairly easy for diy. Make sure you pick up some bent pliers to save time and trouble!
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Kris
January 8, 2023
Great fitment, everything lines up perfect. Sound great. A bit difficult to install the tee fitting without removing intake manifold, but with some patience is very doable even DIY
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Jose
July 16, 2022
Works very well and easy to install. I really recommend it.
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Chrissy
June 30, 2022
Sound great. Instructions were very easy to read. A must to keep turbos safe as possible
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ELIEZER
May 29, 2022
FITS EXACTLY IN THE ENGINE AND PRODUCE GREAT SOUND
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Marquis
March 22, 2022
sounds great car still running amazing 15k miles w bov
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Nicolas
December 15, 2021
Well thought out kit that installed without a hitch. Make sure you check your vacuum line and secure them properly! Great fit and finish, and of course, that signature sound!
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Hayden
November 22, 2021
Sound good and look great
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Richard
August 20, 2021
Very expensive but they protect your turbos and sound good, I haven't had any issues with them
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Eric
July 13, 2021
Pretty simple to install, definitely recommend watching YouTube before doing it though
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Bob
June 29, 2021
Sounds amazing! Lovee itt!
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Bill
June 17, 2021
The product is great my only issue was the assembly, as I was not given the correct length of 6mm hose so I needed to go out and buy some more to finish the install. Other than that no check engine light and they sound amazing.
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Daniel
June 4, 2021
Sounds great. Easy install. Order shipped and arrived perfect timing. Thank you to everyone at Z1 for you hard work and excellent service.
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Eric
June 4, 2021
I love the look, and love the sound of the BOV's. It add a bit more drama without being dramatic. The install is a bit difficult as getting the vacuum line off of the back of the manifold is a B!TC#. However, it is worth it. Just because of the difficulty level of installation, 4/5 stars.
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Brian
May 12, 2021
Best money ever spent!
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Frank
May 5, 2021
Great product, love the sound
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Armando
April 21, 2021
This is an amazing product like made for my Q60 Red Edition 2018. Very easy installation if you have some basic skills. The driver side is a little bit complicated but nothing out of control. Looks great and the sound is awesome. I did change the silver adapter for the gold one. Thank you guys!
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Benjamin
April 18, 2021
Installed fit is pretty much perfect. Assembly was a pain, if you can swing the extra 50$ To have already assembled, save yourself the headache. No complaints other than that, the BOV themselves are beautiful l, and they sound amazing as well.
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Daniel
April 8, 2021
Vroooom pssshhhh. Okay that’s really all you need to know about these. Real talk, do yourself a favor and buy pre-assembled. It took me and my buddy like 6 or 7 hours to install these without having to attach them to the flanges, which by his account was a pain. Things that you are going to want to buy to make this easier: 90 degree needle-nose pliers (long ones), hose clamp pliers or ring nose pliers, maybe have someone with small hands, too. Besides being kind of a pain to install, the black edition ssqv IVs look awesome.
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Charles
March 20, 2020
Looks amazing under the hood of my 17Q60. The Bov’s serve their purpose. And I have a piece of mind knowing my excess boost is vented off. Very fast shipping. For the love of god. Buy this thing pre assembled. I thought I would save a few bucks. And do it myself. That’s a mistake. I ruined 2 snap ring pliers. And every attachment. These snap rings are forged from gypsy tears. And it almost cost me my marriage! GET IT PRE ASSEMBLED!
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Nathan
March 17, 2020
Looks and sounds AWESOME!! Shipping was fast! Will never work with another company!