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Supertech 93mm Bore Piston Rings Set for Subaru R93-SWF20057-4, 4-Piece High Performance - R93-SWF20057-4

If you're diving into the world of performance upgrades, the High Performance Piston Ring Set by Supertech is a solid choice. I’ve used these myself, and let me tell you, they’re built to last. These piston rings are crafted with some serious tech, so you know they’re going to hold up under pressure. Whether you’re hitting the track or just want a little more pep in your daily drive, these rings are designed to exceed the usual expectations.

Now, let’s get into the nitty-gritty. You’re looking at a 93mm bore setup, which is perfect for those Subaru builds. The specs break down like this:

  • 1.2x3.30mm
  • 1.5x3.7mm
  • 4.0x3.65mm

That’s a solid range for anyone looking to push their engine a bit. Each set comes with four rings, so you’ll have everything you need for a complete overhaul.

These rings fit snugly in Subaru engines, and they’re engineered to handle the rigors of performance driving. I’ve seen them clear some serious power without breaking a sweat. Just a heads-up, if you’re planning to run high boost or really crank up the RPMs, these rings will keep your compression tight and your oil control on point.

So, if you’re ready to take your Subaru’s performance to the next level, grab a set of the Supertech 93mm Bore Piston Rings. Trust me, you won’t be disappointed.

Other Part Numbers:
Supertech #sptR93-SWF20057-4

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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