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Supertech Valve Stem Seals 16 Set for Mazda MZR 2.0/2.3/2.5 & Ford Duratec 2.5 - VSI-D5.5E-16

Hey there, fellow gearheads! If you're diving into the world of engine rebuilds or just looking to freshen up your Mazda or Ford, let me tell you about these Supertech Valve Stem Seals. This set comes with 16 seals, and they're specifically designed for the Mazda MZR engines—like the 2.3, 2.5, and even the turbo variant. They also fit Ford's Duratec 2.5. So, if you’ve got one of these engines, you’re in good hands.

Now, why should you care about valve stem seals? Well, if you’re seeing oil in your combustion chamber or noticing that your engine's burning oil, these little guys are often the culprits. They keep oil from leaking into the cylinders, which helps maintain a clean burn and keeps your engine running smoothly. Plus, replacing worn seals can give your engine a bit of a pep back in its step.

These Supertech seals are made from high-quality materials that can handle the heat and pressure of performance driving. They fit snugly, which means you won’t have to worry about them failing prematurely. Installation is straightforward too, but make sure you’ve got the right tools and some patience—getting to those seals can be a bit of a task!

So, whether you're working on a daily driver or a project car, these valve stem seals are a solid choice for keeping your engine in tip-top shape. Just remember, these are specifically for the engines listed, so double-check your fitment before you buy. Happy wrenching!

Other Part Numbers:
Supertech #sptVSI-D5.5E-16

Proposition 65

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

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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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