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Supertech Dual Valve Spring Kit for Nissan Skyline GT-R 1989-2002, SPRK-M1007D-RB - SPRK-M1007D-RB

Supertech SPRK-M1007D-RB Spring and Retainer Kit

If you're looking to take your Nissan Skyline GT-R (1989-2002) to the next level, the Supertech SPRK-M1007D-RB Spring and Retainer Kit is a must-have. Engineered specifically for performance enthusiasts, this kit offers a complete valvetrain overhaul that ensures your engine runs smoother and more efficiently under high-stress conditions. Whether you're hitting the track or just want to enhance your daily drive, these springs and retainers are designed to meet the demands of serious drivers.

What's Included:

  • 23 Precision-Matched Springs
  • High-Quality Retainers

Technical Specifications:

  • Inner Spring ID: 15.20mm
  • Seat Pressure:
    • Intake: 92 at 40.7mm
    • Exhaust: 82 at 40.6mm
  • Open Pressure:
    • Intake: 232 at 11mm
    • Exhaust: 222 at 10mm
  • Max Lift: 15.30mm
  • Coil Bind: 24.70mm
  • Spring Rate: 11.5
  • Kit Spring: SPR-M1007D
  • Inner Spring OD: 20.00mm
  • Outer Spring OD: 28.10mm
  • Outer Spring ID: 20.00mm
  • Retainer: RET-NRB60/TS

Fitment:

  • Nissan Skyline GT-R 1989-2002

Customer Feedback:

One Skyline GT-R owner reported, "After installing the Supertech SPRK-M1007D-RB kit, I noticed a significant improvement in my engine's responsiveness. The springs allowed for higher RPMs without any drop in performance, and the fit was perfect. No issues with clearance, even at full lift!"

Upgrade your Nissan Skyline GT-R's valvetrain with the Supertech SPRK-M1007D-RB Spring and Retainer Kit, and experience the difference in performance and reliability that comes with quality engineering.

Other Part Numbers:
Supertech #sptSPRK-M1007D-RB

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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