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  See more parts for Mazda Miata
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Supertech Black Nitrided Exhaust Valve Set of 8 +1mm Oversize for Mazda Miata 1994-2005 - MAEVN-1206-8

If you're looking to squeeze every bit of performance out of your Mazda Miata, let me tell you about the Black Nitrided Exhaust Valves from Supertech. These aren’t just any valves; they’re crafted with a level of precision that you can feel the difference in as soon as you hit the gas. I’ve had my hands on these for a while now, and I can confidently say they deliver more than what you’d expect.

First off, you get a set of 8 valves, which is perfect if you're planning to do a full engine refresh or just want to upgrade. The black nitrided finish isn’t just for looks; it adds durability and helps reduce wear over time. Trust me, you want that peace of mind knowing your parts are built to last. With these valves, you can count on worry-free service for years, even under some serious driving conditions.

Now, let’s talk specs. The head diameter comes in at 29.00mm (+1), and the stem diameter is 5.94mm, which is ideal for maximizing flow and efficiency. The length of 102.60mm (+0.6) means they fit perfectly in your Miata’s engine bay without any hassle. What I love is that these valves are designed to help you get the most out of your engine. Whether you’re hitting the track or just cruising around town, you’ll notice the difference in responsiveness and power.

These valves are specifically made for the Mazda Miata models from 1994 to 2005, so if you’ve got one of those, you’re in luck. The fitment is spot on for both the 1.8L engines from 1994-1997 and 1999-2005. It’s a straightforward upgrade that can really enhance your driving experience.

So, if you're serious about performance and want to give your Miata the upgrade it deserves, these Black Nitrided Exhaust Valves from Supertech are definitely worth considering. They combine quality, performance, and longevity in a way that’s hard to beat.

Proposition 65

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

Vehicle Make/Model
Mazda Miata 1994-1997 M Edition
Mazda Miata 1994-1997, 1999-2005 Base
Mazda Miata 1997 STO
Mazda Miata 1999 10th Anniversary
Mazda Miata 2000-2005 LS
Mazda Miata 2000-2003 SE
Mazda Miata 2003 Shinsen
Mazda Miata 2004-2005 Mazdaspeed

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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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