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  See more parts for Subaru Outback
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Kelford Valve Spring Kit for Subaru EZ30, KVS30, High-Performance, Durable Material - KVS30

Kelford KVS30 High Performance Valve Spring Set

The Kelford KVS30 valve spring set is engineered specifically for the Subaru EZ30 engine, providing enhanced performance while maintaining compatibility with the stock retainer. This set includes high-performance springs designed to optimize valve control under high RPM conditions.

Specifications

  • Intake Spring Rate: 76 lb at 31.2 mm
  • Intake Coil Bind: 19.05 mm
  • Exhaust Spring Rate: 90 lb at 37.0 mm (requires OEM base with additional supplied base)
  • Exhaust Coil Bind: 26 mm

Installation Notes

When installing the KVS30 valve springs, the short springs are designated for the intake side, while the exhaust side requires the addition of the supplied base on top of the OEM base. This configuration ensures optimal performance and reliability under various driving conditions.

Fitment

Confirmed fitment for the Kelford KVS30 valve spring set includes:

  • Subaru Outback (2002-2009)

These springs are designed for those looking to enhance the performance of their EZ30 engine without compromising on compatibility with existing components. Ensure proper installation to achieve the best results in your performance build.

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 Outback 2002-2004 H6
Subaru Outback 2002-2003 VDC
Subaru Outback 2002-2004 L.L. Bean
Subaru Outback 2002-2005, 2008 Limited
Subaru Outback 2002-2004, 2008 Base
Subaru Outback 2004 H6 35th Anniversary Edition
Subaru Outback 2004 H6 VDC
Subaru Outback 2005-2008 XT
Subaru Outback 2005-2009 XT Limited
Subaru Outback 2005 VDC Limited
Subaru Outback 2005 i
Subaru Outback 2005-2008 R L.L. Bean Edition
Subaru Outback 2005-2006 R
Subaru Outback 2006-2009 2.5i
Subaru Outback 2006-2009 2.5i Limited
Subaru Outback 2006 R VDC Limited
Subaru Outback 2007 2.5i Basic
Subaru Outback 2007-2008 3.0 R
Subaru Outback 2008 2.5 XT
Subaru Outback 2008 Premier
Subaru Outback 2008 2.5i L.L. Bean Edition
Subaru Outback 2008 Touring
Subaru Outback 2008 2.5i Limited L.L. Bean Edition
Subaru Outback 2009 3.0 R Limited
Subaru Outback 2009 3.0 R Premier
Subaru Outback 2009 2.5i Special Edition

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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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