Manley 221425-16 NexTek Dual Spring Valve Springs, 604 lb/in Spring Rate, 1.150 in Coil Bind, 1.640 in Outer Diameter

The Manley 221425-16 NexTek dual valve spring set is engineered for high-performance engine applications requiring reliable spring pressure and durability. Each set includes 16 springs designed to deliver a spring rate of 604 pounds per inch, ensuring consistent valve control under demanding conditions. These springs feature a coil bind height of 1.150 inches and an outer diameter of 1.640 inches, providing precise fitment and optimal valve operation. Constructed from high-quality materials, they are built to withstand high RPMs and aggressive cam profiles, making them suitable for racing and high-performance street engines. The NexTek series springs are engineered for durability, maintaining their tension and performance over extended use. Designed for professional installation, these springs are compatible with a wide range of engine configurations, providing a reliable solution for performance upgrades or rebuilds. Whether you're enhancing horsepower or improving valve stability, the Manley NexTek springs offer a dependable choice for serious engine builders and enthusiasts alike.

Features:

• Dual valve spring design for enhanced valve control

• Spring rate of 604 pounds per inch for high performance

• Coil bind height of 1.150 inches for optimal valve seating

• Outer diameter of 1.640 inches for precise fitment

• Constructed from durable high-quality materials for longevity

• Suitable for high RPM and aggressive cam profiles

• Includes set of 16 springs for complete engine coverage

• Designed for professional installation and engine performance upgrades