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Overstock Deal Bourne Hpp K-series Valve Spring Set Boosted Bundle [zABfOxU3]

$55.99 $179.99 -69%

Bourne HPP K-Series Valve Spring Set Boosted The Bourne HPP K-Series Valve Spring Set Boosted is a top-tier upgrade for your Boosted engine, designed to handle the demands of high-performance builds. This set is tailored for engines producing between

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Bourne HPP K-Series Valve Spring Set Boosted

The Bourne HPP K-Series Valve Spring Set Boosted is a top-tier upgrade for your Boosted engine, designed to handle the demands of high-performance builds. This set is tailored for engines producing between 350-700bhp, ensuring optimal performance and reliability. The spring set is engineered for standard fitment, utilizing original platform shims and retainer setups, and maintains the same diameter as the original Honda Type-r valve springs, allowing for a seamless upgrade without altering the spring bases or retainers.
  • Boosted engine compatibility
  • Standard fitment design
  • Same diameter as original Honda Type-r valve springs

Product Specifications and Technical Details

This valve spring set is a fantastic upgrade for engines running most aftermarket camshafts with a maximum lift of 14mm or less. It is also recommended as a refresh option for engines with high mileage or softening valve springs. The kit includes Bourne HPP valve spring set, Honda OEM NEW spring bases, and Honda OEM NEW steel retainers. The choice of steel retainers, instead of titanium, is made for endurance and strength, making this kit ideal for street cars and track engines not exceeding 9,000 rpm.
  • Max lift compatibility up to 14mm
  • Included Honda OEM NEW spring bases and retainers
  • Steel retainers for endurance and strength

Practical Uses and Target Audience

Whether you're a performance enthusiast or a track day regular, the Bourne HPP K-Series Valve Spring Set Boosted is the perfect choice for your high-horsepower engine. It provides the necessary support for engines with high mileage or those requiring a refresh, ensuring consistent performance and reliability. This kit is ideal for Type-r cylinder heads, and for those with bare or non-Type-r cylinder heads, the kit includes all necessary components for a complete upgrade. With its robust design and easy installation, this valve spring set is a must-have for any engine looking to reach its full potential.
  • Perfect for high-performance builds
  • Refresh option for engines with high mileage
  • Complete kit for easy installation

What Our Customers Say

January 1, 2026

Absolutely no complaints!

This product is a great example of fantastic quality and superior design.

- Carl H..

January 1, 2026

Absolutely no complaints!

It's a very well-designed and effective item. I'm a very satisfied customer.

- Caroline G..

January 1, 2026

Absolutely no complaints!

This is an object of quality and utility. Very well done.

- Marcus O..

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