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Kelford KVS109-STI Single Spring Kit for Subaru WRX 2002-2021, High-Performance Design - KVS109-STI
Kelford KVS109-STI Single Spring Kit for Subaru WRX 2002-2021, High-Performance Design - KVS109-STI - Image 2

Kelford KVS109-STI Valve Spring Set for Subaru EJ20/EJ25

The Kelford KVS109-STI valve spring set is engineered for high-performance applications in Subaru EJ20 and EJ25 engines. Designed as a direct replacement for OEM springs, this set allows for seamless installation using the factory retainers, ensuring compatibility with existing components.

Specifications

  • Material: High-quality PACALOY for enhanced durability and performance
  • Seat Pressure: 85 lb at 36.00 mm install height
  • Coil Bind Height: 22.00 mm

Installation Notes

This valve spring set is designed to fit directly into the OEM setup, making installation straightforward for those familiar with Subaru engine work. Ensure that the install height is maintained to avoid coil bind, which can lead to performance issues or engine damage.

Performance Benefits

With a seat pressure of 85 lb, the KVS109-STI springs provide the necessary support for higher RPMs and aggressive cam profiles, making them ideal for modified engines seeking improved valve control and reliability under load.

Import Notes:

  • Kelford products ship directly from New Zealand.
  • Customers are responsible for all Taxes or Duty Fees.

Proposition 65

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

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Who is Kelford?

Kelford is a company that was founded in 1968. The company specializes in creating high-performance camshafts for a variety of engine applications. For years, they have provided enthusiasts the chance to have a camshaft that would provide optimum performance and give them the horsepower gain they are searching for. Today, they have turned their small company into a global brand that is trusted by many professional tuners and racers alike.

Continuous Improvement

Kelford is steadily making a name for itself when it comes to manufacturing high-performance camshafts. By continuously investing in their research and development, they are able to design products that are better, if not at par with some of the mainstream brands in the market today.

Quality in Every Product

The company is able to make top quality products by understanding what their customer really needs. Using their experience, knowledge, and understanding of manufacturing, they are able to create products that meet their customer expectations. They use state of the art machinery in order to achieve precision and accurate cuts which is critical when it comes to these engine components.

Purchase Kelford Camshafts at Vivid Racing

If you want a camshaft manufacturing company that understands what it takes to improve your engine performance, then Kelford is the brand for you. With over 50 years of experience when it comes to building camshafts, you know they are a brand that you can trust. Visit Vivid Racing and check out their list of products that would fit your specific requirement.







Kelford Technologies Ltd warrants that when our products are properly installed in their correct application by a qualified tradesperson, they will be free from defect in material and workmanship. Warranty will be void on all products that show evidence of improper application or installation, abuse, lack of proper maintenance, alteration from the original configuration or not used in conjunction with the specified matching components and suitable motor oil. Whilst our company tries to ensure that every item supplied is suitable for the intended application, the final responsibility of product suitability rests with the person installing the item. Kelford Technologies Ltd’s warranty will not apply to watercraft that are not capable of being transported by trailer and exceed eight meters in length.
If a problem should occur, please contact Kelford Technologies Ltd’s technical department to arrange inspection and report.

This Limited Warranty applies only to the original purchaser of the product and only covers the replacement or repair of the product at Kelford’s discretion. Due to the unusual stress placed on these racing components and because we have no control over how they are used the company shall not be responsible for any damage caused by defects or failure of parts. The company shall not be responsible for any consequential damage, injury or death arising from any cause whatsoever, nor for labour, transportation or any other related incurred costs due to the replacement or repair of the defective products.

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