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  See more parts for Subaru Impreza
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Kelford Spring and Titanium Retainer Kit for Subaru WRX EJ20/EJ25 1999+ KVS109-STI-T - KVS109-STI-T

Kelford KVS109-STI-T Valve Spring and Titanium Retainer Kit

The Kelford KVS109-STI-T valve spring and titanium retainer kit is engineered for Subaru EJ20 and EJ25 engines produced from 1999 onwards. This high-performance kit is designed to support engines producing up to 700 horsepower and capable of operating at 8000 RPM. The robust construction of these components ensures reliability under high-stress conditions.

Specifications

  • Material: PACALOY valve springs with titanium retainers
  • Seat Pressure: 89 lb at 35.60 mm
  • Lift Pressure: 180 lb at 12 mm lift
  • Coil Bind Height: 22.00 mm

Fitment

  • Subaru WRX EJ20 | EJ25 (1999 and newer)
  • Subaru WRX (2002-2023)

Installation of the KVS109-STI-T kit requires careful attention to detail, particularly in measuring valve lift and ensuring proper clearance to avoid coil bind. This kit is ideal for those looking to enhance their engine's performance while maintaining reliability under high RPM conditions.

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

Vehicle Make/Model
Subaru Impreza 2002-2011 WRX
Subaru Impreza 2006-2007, 2010-2011 WRX Limited
Subaru Impreza 2006-2007 WRX TR
Subaru Impreza 2009-2011 WRX Premium
Subaru Impreza 2010 WRX SE
Subaru Impreza 2010 WRX GT
Subaru WRX 2012-2016 STI
Subaru WRX 2012-2023 Base
Subaru WRX 2013-2023 Limited
Subaru WRX 2014 SE
Subaru WRX 2015-2023 Premium
Subaru WRX 2017-2023 Sport
Subaru WRX 2017-2023 Sport-tech
Subaru WRX 2018-2021 6 Man
Subaru WRX 2018-2021 CVT
Subaru WRX 2019 Raui Edition
Subaru WRX 2019-2020 Sport-tech RS
Subaru WRX 2021 EyeSight
Subaru WRX 2022-2023 GT

Kelford Banner

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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