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Supertech Dual Valve Spring Kit for Nissan RB20 DOHC Solid Lifter Conversion, 24 Springs - SPRK-M1005D-RB20

If you're diving into the world of Nissan RB20s, you’re probably already aware that the right valve springs can make or break your engine's performance. That’s where the Supertech Dual Valve Spring Kit comes into play, especially if you’re looking to do a solid lifter conversion. Trust me, this isn’t just another aftermarket part; it’s a game changer.

Let’s talk about what makes these springs stand out. For starters, the seat pressure is set at a solid 84 lbs at 39.50mm, which means they hold up well under stress and keep everything in check as the RPMs climb. When you really push it, you’ll find the open pressure jumps to 197 lbs at 11mm. That’s some serious holding power, ensuring your valves stay where they need to be even when you’re flirting with the redline.

Now, if you're planning to go big, you’ll appreciate the max lift of 16.00mm. This gives you the freedom to really open up your engine without worrying about coil bind, which is rated at 23.50mm. The spring rate is also impressive at 10.30mm, providing a nice balance between performance and reliability.

What’s in the kit? You’re looking at 24 springs (part number SPR-M1005), along with 24 retainers (RET-NVG1015/T1) and 24 seat locators (SEAT-RB25-E). This means you’ve got everything you need to get your setup running smoothly without having to hunt down extra parts. The inner spring diameter sits at 15.20mm, while the outer diameter is a solid 20.00mm for the inner and 28.00mm for the outer springs. This gives you a robust setup that can handle the demands of a high-performance engine.

In short, if you’re serious about your RB20 and want to push the limits with a solid lifter conversion, this Supertech Dual Valve Spring Kit is worth considering. It's built with performance in mind, and you can feel the difference when you hit the gas. So, gear up and get ready to unleash the beast under your hood.

Other Part Numbers:
Supertech #sptSPRK-M1005D-RB20

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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