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  See more parts for INFINITI FX35
Select the year of your INFINITI FX35:
Supertech 6mm Intake Valve Stem Seal Set of 8 for Infiniti Nissan SR20DE SR20DET RB26 1989-2016 - VS-N6I-8

If you're diving into a performance build or just looking to keep your daily driver running smoothly, you’ve got to check out these Supertech intake valve seals. They’re crafted from a quality rubber compound that really stands up to the heat, especially on the exhaust side where things can get toasty. Trust me, these seals are the finishing touch your valvetrain needs to really perform.

Each set comes with 8 seals, so you’re covered for a full replacement. What’s great about these seals is that they’re designed with a level of precision that makes installation a breeze. You won’t have to worry about leaks after you pop these in; they’re built to last and provide worry-free service for years. Plus, they’re made from polyacrylic, which means they can take the heat without breaking down. The specs are solid too: with a guide OD of 10mm and a seal OD of 12.6mm, they fit snugly in place. The 6mm diameter is just right for a tight seal that keeps everything running as it should.

Now, if you’re wondering whether these will fit your ride, here’s a quick rundown. They work with a bunch of models from Infiniti and Nissan, including the FX Series (2003-2008), G20 (1991-2002), G35 (2003-2007), and even the legendary GT-R (2009-2016). And if you’ve got a 240SX or a Fairlady Z, you’re in luck—these seals are a perfect match. Basically, if you’ve got a Nissan or Infiniti from the late '80s to 2016, there’s a good chance these seals will fit.

So, whether you’re replacing old, leaking seals or just upgrading your engine, these Supertech valve seals are a smart choice. They’ll help you get the most out of your engine, and I can tell you from experience, it’s a game changer.

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Vehicle Make/Model
INFINITI FX35 2003-2008 Base
INFINITI G20 1991-1996, 1999-2002 Base
INFINITI G20 1994-1996, 1999-2002 T
INFINITI G35 2003-2007 Base
INFINITI G35 2004-2007 X
INFINITI G35 2007 Sport
INFINITI G35 2007 Journey
INFINITI M35 2006-2007 Sport
INFINITI M35 2006-2010 Base
INFINITI M35 2006-2010 X
INFINITI M45 2006-2008 Base
INFINITI M45 2006-2008 Sport
INFINITI M45 2008 X
Nissan 240SX 1989-1990 XE
Nissan 240SX 1989-1993, 1995-1998 Base
Nissan 240SX 1989-1998 SE
Nissan 240SX 1991-1992, 1997-1998 LE
Nissan 300ZX 1990-1996 Base
Nissan 300ZX 1990-1996 2+2
Nissan 300ZX 1990-1996 Turbo
Nissan 350Z 2003-2006 Track
Nissan 350Z 2003-2006 Touring
Nissan 350Z 2003-2006 Base
Nissan 350Z 2003-2006 Enthusiast
Nissan 350Z 2003-2006 Performance
Nissan 350Z 2005-2006 Grand Touring
Nissan 350Z 2005 35th Anniversary Edition
Nissan Altima 2002-2009 SE
Nissan Altima 2002-2015 SL
Nissan Altima 2002-2004, 2006-2015 Base
Nissan Altima 2002-2015 S
Nissan Altima 2005-2006 SE-R
Nissan Altima 2007-2011 Hybrid
Nissan Altima 2008-2009 Coupe
Nissan Altima 2010-2012 SR
Nissan Altima 2013-2015 Advance
Nissan Altima 2013-2015 Exclusive
Nissan Altima 2013-2015 SV
Nissan Altima 2013-2015 Sense
Nissan GT-R 2009-2016 Premium
Nissan GT-R 2009-2010 Base
Nissan GT-R 2012-2016 Black Edition
Nissan GT-R 2014-2015 Track Edition
Nissan GT-R 2015-2016 Nismo
Nissan Maxima 2002-2003 GXE
Nissan Maxima 2002-2003 GLE
Nissan Maxima 2002-2008 SE
Nissan Maxima 2004-2006 SE Elite
Nissan Maxima 2004-2008, 2016 SL
Nissan Maxima 2004 SL Premium
Nissan Maxima 2004, 2007 SL Luxury
Nissan Maxima 2004-2008 SE Touring
Nissan Maxima 2009-2014, 2016 S
Nissan Maxima 2009 Tracking
Nissan Maxima 2009-2014, 2016 SV
Nissan Maxima 2009 GXE Sport
Nissan Maxima 2010-2015 Base
Nissan Maxima 2012-2016 Exclusive
Nissan Maxima 2016 SR
Nissan Maxima 2016 Platinum
Nissan Maxima 2016 Advance
Nissan Murano 2003-2007, 2009-2016 SL
Nissan Murano 2003-2007 SE
Nissan Murano 2005-2007, 2009-2016 S
Nissan Murano 2009-2014 LE
Nissan Murano 2011-2014 CrossCabriolet
Nissan Murano 2011-2016 SV
Nissan Murano 2012-2014 Exclusive
Nissan Murano 2015-2016 Platinum
Nissan Murano 2016 Platinum Hybrid
Nissan Murano 2016 SL Hybrid
Nissan NX 1991-1993 XE
Nissan NX 1991-1993 SE
Nissan Pathfinder 2001-2005 SE
Nissan Pathfinder 2001-2005 LE
Nissan Pathfinder 2001-2002, 2005 XE
Nissan Pathfinder 2005 LE Luxury
Nissan Pathfinder 2005 SE Comfort
Nissan Pathfinder 2005 SE Off-Road
Nissan Quest 2004-2009 SE
Nissan Quest 2004-2009, 2011-2015 S
Nissan Quest 2004-2009, 2011-2015 SL
Nissan Quest 2005-2009 Base
Nissan Quest 2006 SL Special Edition
Nissan Quest 2009 SLT
Nissan Quest 2011-2014 LE
Nissan Quest 2011-2015 SV
Nissan Quest 2015 Platinum
Nissan Sentra 1991-1994 E
Nissan Sentra 1991-1994, 1998-2001 SE
Nissan Sentra 1991-2001 XE
Nissan Sentra 1991-2001 GXE
Nissan Sentra 1991-1994 SE-R
Nissan Sentra 1991-1993 Classic
Nissan Sentra 1993, 1995-1998 Base
Nissan Sentra 1994 Limited Edition
Nissan Sentra 1995-1998 GLE
Nissan Sentra 1996-2000 GST
Nissan Sentra 1996-2000 GSS
Nissan Sentra 1996-2000 GSX
Nissan Sentra 2001 CA

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Who is Supertech?

Supertech is a company located in Silicon Valley San Jose, California. It is the place where companies with the most cutting-edge technology are located. It allows Supertech to gain access to the latest technology that helps them create high-quality products.  Supertech is known for manufacturing some of the best aftermarket internal engine parts in the industry. Today, they are considered the leading brand in their market segment.

Valve Train Component Experts

With over 30 years of experience, Supertech was able to develop products that meet the demands of their customers. They offer high-performance valves and valvetrain components that are used by many engine builders and tuners everywhere.

Racer’s Brand Of Choice

Supertech provides the motorsport industry with top-notched products for virtually any type of racing discipline. Whether it’s Road Racing, Drag Racing, or Rally, they have the right parts for you. Each piece is carefully designed and manufactured to provide optimum performance and give racers the competitive advantage they need to win championships.

Purchase Supertech Products At Vivid Racing

If you are in the market for high-quality performance parts for your engine, Supertech is the brand for you. The company has always been on edge in creating innovative products that would keep up with the fast-changing automotive trend. Whether for the tracks or the street, Supertech guarantees that you will only get the best products from them. To know more about Supertech, visit Vivid Racing and check out their list of parts that fit your specific needs.



Due to the nature of the application, these parts are sold without any express warranty or any implied warranty of merchantability, or fitness for a particular purpose.

Supertech Performance Inc. shall not, under any circumstances, be liable for any special, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue, cost of purchased or replacement goods, or claims of customers of the purchase, which may arise and/or result from sale, installation or use of these parts.

The sole obligation of Supertech Performance Inc., shall be limited only to the products to be found defective, in either workmanship or material, after inspection performed by our company. This Limited Warranty applies only to the original purchaser of the product and only covers the replacement or repair of the product at our election.

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