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Supertech Dual Valve Spring Kit for Opel Z16, Z18 LER, A18XER 16V, 63lbs Pressure - SPRK-TS1012-Z18

You know, when it comes to upgrading your engine's valvetrain, you really want something that’s not just a bunch of shiny parts. That’s where the Supertech Spring / Retainer kit comes in. These kits are a game changer for anyone looking to push their performance to the next level. I’ve had my fair share of aftermarket parts, and I can confidently say that these springs and retainers are built with precision and care. They’re not just slapped together; they’re engineered for enthusiasts who demand the best.

So, what’s the deal with these springs? Well, they’re dual springs, which means they’re designed to handle higher RPMs without breaking a sweat. With a press seat of 63lbs at 34.30mm, they provide the right amount of tension to keep everything in check. And if you’re worried about max lift, these bad boys can handle up to 14.00mm. That’s some serious lift! Plus, with a coil bind of 20.00mm, you won’t have to worry about them collapsing under pressure.

Now, let’s talk about the rate. At 10.40lbs/mm, these springs give you a nice, responsive feel without being too stiff. It’s all about that balance, right? And the retainers? They’re the RET-TS50/T1 model, perfectly matched to the springs, so you know you’re getting a complete setup that works harmoniously. Just make sure you use the factory seat locator, and you’ll be good to go.

These kits are specifically designed for the Opel Z16 | Z18 LER | A18XER 16V engines, so if you’re rocking one of those, you’re in luck. It’s all about getting the right fitment, and Supertech nailed it with this kit. If you’re serious about squeezing every ounce of performance out of your ride, you owe it to yourself to check these out. Trust me, you won’t regret it.

Other Part Numbers:
Supertech #sptSPRK-TS1012-Z18

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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