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Supertech Gas Nitrided 86.5mm Bore Piston Ring Set for Universal Fitment - R86.5-GNH8650

If you're looking to boost your engine's performance without breaking the bank, you might want to check out the High Performance Piston Ring Set by Supertech. These rings are crafted with some serious tech, and let me tell you, they do more than just get the job done. They’re designed to fit snugly into an 86.5mm bore, which is a pretty common size for those of you working on turbo builds or high-revving setups.

So, what’s the deal with these rings? Well, they come in a set with dimensions of 1x3.30, 1.2x3.60, and 2.8x3.10mm. That means they’re optimized for sealing and reducing friction, which is crucial if you want to squeeze every last bit of horsepower out of your engine. The gas nitriding process they undergo gives them an extra layer of durability, so they can handle the heat and pressure without wearing down too quickly.

Now, I know some might say they’re universal, but let’s be real—these rings are best suited for specific builds where an 86.5mm bore is required. If you’re working on a project that calls for this size, you can trust that these rings will fit like a glove and help keep your engine running smoothly.

In short, if you’re serious about performance and want something that’s built to last, the Supertech piston rings are a solid choice. They’ll give you that extra edge you’ve been chasing, and you won’t regret adding them to your setup.

Other Part Numbers:
Supertech #sptR86.5-GNH8650

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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