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  See more parts for Audi A4
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Supertech Inconel Exhaust Valve Set of 8 for Audi Volkswagen 1.8T 1997-2002 - AEVI-1103S-HS-8

Alright, let’s talk about the Supertech Inconel Exhaust Valves. If you're looking to boost your engine's performance without the fluff, you’ve hit the jackpot. This set of 8 valves is crafted from Inconel 751, which is a fancy way of saying they can handle some serious heat and pressure. Trust me, they’re built to last and won’t let you down when you push your engine to its limits.

These valves are designed with precision in mind. We're talking about a head diameter of 29.90mm and a stem diameter of 5.94mm. The length comes in at 103.90mm, which means they’ll fit snugly in your setup. Plus, they’re sodium-filled, which helps with heat dissipation—perfect for those high-performance applications where every degree counts. Just a heads up, you’ll need to pair these with keeper KPR-6S7 to ensure everything stays in place.

What’s cool about these valves is they’re not just for show. They’re engineered to help you get the most out of your engine. Whether you're cruising on the highway or hitting the track, you can count on these valves to provide reliable service for years. And honestly, isn’t that what we all want? Less worrying about parts and more time enjoying the ride.

Now, let’s get into fitment. These bad boys will work with:

  • Audi A4 (1997-1999)
  • Audi A4 Quattro (1997-2000)
  • Audi A6 Quattro (2000-2002)
  • Audi Allroad Quattro (2001-2002)
  • Audi S4 (2000-2002)
  • Volkswagen Passat (1998-1999)

So, if you’ve got one of these models and you’re serious about performance, these Supertech valves are a solid choice. They’re not just a part; they’re an upgrade that can help you squeeze out every bit of power your engine has to offer.

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⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Audi A4 1997-1999 Base
Audi A4 1998 Avant
Audi A4 Quattro 1997-2000 Base
Audi A4 Quattro 1998-2000 Avant
Audi A6 Quattro 2000-2002 Base
Audi A6 Quattro 2000 Avant
Audi A6 Quattro 2001-2002 Luxury
Audi Allroad Quattro 2001-2002 Base
Audi S4 2000-2002 Base
Volkswagen Passat 1998-1999 GLS
Volkswagen Passat 1998-1999 GLX
Volkswagen Passat 1999 V6
Volkswagen Passat 1999 1.8T

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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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