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  • Direct fit for Nissan RB25DET

  • High performance single valve spring set

  • Includes 24 springs and 12 spring bases for the exhaust side to even up the install heights


Kelford Race Springs are the perfect choice for anyone looking to improve their engine's performance. Their valve springs are designed to be lightweight and durable, with a high-performance capacity. Their coils are wound to a higher rate, allowing for increased power and torque, making them ideal for race applications. They also feature a high fatigue life, ensuring that your engine remains running at peak performance for years to come. With Kelford Race Springs, you can trust you're getting the best performance valve springs available.



  • 83lb seat pressure at 30.40mm installed height on intake

  • 80lb at 30.65mm on the exhaust
  • Maximum valve lift 10.50mm




Kelford Race Spring Set RB25DET NVCS

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