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  See more parts for Acura NSX
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Supertech Dual Valve Spring Kit for Acura NSX 1990-2005 - 16 Springs, Retainers, Seat Locators - SPRK-H1005D-NSX

Supertech Dual Valve Spring Kit Acura NSX 1990-2005 for 1991-2005 Acura NSX SPRK-H1005D-NSX | Vivid Racing

If you're diving into a valvetrain overhaul, you really can't overlook the Supertech Spring and Retainer kits. These aren't just any old parts; they’re precision-matched sets designed specifically for folks who crave performance. Trust me, after putting these through their paces, I can confidently say they deliver on quality and value without cutting corners.

What’s in the box? Well, you get a complete set of 16 springs, 16 retainers, and 16 seat locators. That’s right—everything you need to get your engine breathing better and performing at its peak.

Now, let’s talk specs. The seat pressure is set at a solid 80 at 36.4, and when it’s time to really push those valves, you’re looking at an open pressure of 234 at just 12. That means these springs can handle some serious lift, with a max of 15.7mm before coil bind kicks in at 20.70mm. The rate sits at a nice 11.5, which gives you just the right amount of responsiveness without feeling too stiff.

For the Acura NSX owners out there, these springs are a perfect fit for models from 1990 to 2005. Whether you’re hitting the track or just want a little more kick on the street, this kit is built to handle it. The part numbers you’ll want to remember are SPR-H1005D for the springs, RET-K20A2/T2-NS for the retainers, and SEAT-H1020DS for the locators. It’s all about making sure you have the right pieces in place to keep your engine running smoothly.

So, if you’re in the market for a reliable upgrade, these Supertech kits are definitely worth considering. They’ve got the performance edge, and you’ll feel the difference when you hit the gas.

Other Part Numbers:
Supertech #sptSPRK-H1005D-NSX

Proposition 65

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

Vehicle Make/Model
Acura NSX 1991-2001, 2004-2005 Base
Acura NSX 1995-2003 T
Acura NSX 1999 Alex Zanardi Edition

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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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