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  • Direct fit for Nissan RB20DET/RB25DET

  • Fits early heads without NVCS.

  • High performance PACALOY single valve spring set

  • Use with OEM retainer and spring base


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.



  • 85lb seat pressure at 36.0mm installed height 

  • Coil bind 22.0mm




Kelford Race Spring Set RB20DET/RB25DET Non-NVCS

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