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Supertech Single Valve Springs for Honda D15B, D16A6, K20C1 - 68 Seat Pressure, 14.20mm Lift - SPR-H1003S-16

Supertech Single Valve Springs for Honda D15B, D16A6, and K20C1

If you're looking to enhance the performance of your Honda engine, the Supertech Single Valve Springs are a solid upgrade for the D15B, D16A6, and K20C1 models. Designed with precision and durability in mind, these valve springs are perfect for those who are serious about tuning their ride for both daily driving and track days.

Key Features

  • Seat Pressure: 68 lbs @ 41.15mm
  • Open Pressure: 167 lbs @ 10mm
  • Max Lift: 14.20mm
  • Coil Bind: 27.30mm
  • Outer Spring ID: 16.30mm
  • Inner Spring OD: Single
  • Inner Spring ID: Single
  • Spring Rate: 9.9

Fitment

  • Honda R18A SOHC I-VTEC
  • Honda F22A SOHC Non-VTEC
  • Honda D15B
  • Honda D16A6
  • Honda K20C1

Real-World Application

Honda D15B owners have reported noticeable improvements in engine responsiveness after installing these springs. One owner shared, "After putting these Supertech springs in my D15B, the engine feels more eager to rev, especially at higher RPMs. The lift was just right, and I didn't have to worry about coil bind even during aggressive driving." Similarly, a D16A6 enthusiast noted, "These springs allowed my engine to breathe better, and I could feel the difference in power delivery. They fit perfectly without any adjustments needed."

Whether you're hitting the streets or the track, these valve springs will help keep your engine performing at its best. Upgrade your Honda today with the Supertech Single Valve Springs and experience the difference in your ride.

Other Part Numbers:
Supertech #sptSPR-H1003S-16

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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