The Kelford KVS25NEO-DI springs are engineered specifically for the Nissan RB25 NEO engine, designed to work seamlessly with OEM retainers and bases. These drop-in springs provide a reliable upgrade for engine builders looking to optimize their valve train performance.
These springs are crafted to deliver optimal performance, ensuring that your RB25 NEO can handle higher RPMs without compromising reliability. The precise seat pressures are tailored to maintain valve control under aggressive tuning conditions, making them suitable for both street and track applications.
Installation is straightforward, as these springs are designed to fit directly into the OEM setup without the need for additional modifications. This makes them an excellent choice for those looking to enhance their engine's capabilities while maintaining factory compatibility.
Import Notes:
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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 ImprovementKelford 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 ProductThe 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 RacingIf 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.