Manley 221454-16 NexTek Dual Valve Springs with 635 lb/in Spring Rate and 1.105 in Coil Bind

The Manley 221454-16 NexTek dual valve springs are engineered for high-performance engine applications, combining durability and precise control. Each set includes 16 springs designed to optimize valve operation and support higher lift cam profiles. Constructed from high-quality materials, these springs feature a spring rate of 635 pounds per inch, providing consistent tension under demanding conditions. The springs have a coil bind diameter of 1.105 inches and an outer diameter of 1.650 inches, ensuring proper fitment and reliable performance across various engine builds. These springs are suitable for performance and racing applications where valve stability and longevity are critical. They are compatible with a range of engines and are designed to withstand the stresses of high RPM operation, making them ideal for enthusiasts seeking increased horsepower and reliability. The NexTek series by Manley offers a balance of strength and efficiency, ensuring your engine maintains optimal valve timing and sealing under extreme conditions. Whether upgrading stock springs or building a high-performance engine, these springs provide the quality and precision needed for demanding applications.

Features:

• Set of 16 valve springs designed for high-performance engines

• Spring Rate: 635 pounds per inch for stability and control

• Coil bind diameter: 1.105 inches for reliable valve operation

• Outer diameter: 1.650 inches ensuring proper fitment

• Constructed from durable materials for longevity and performance

• Designed to support higher lift cam profiles and increased RPMs

• Suitable for racing, performance, and enthusiast engine builds