MANLEY 221421-16 MANLEY 221421-16 NexTek Dual Valve Springs - 435 lb/in Spring Rate, 0.900 in Coil Bind, 1.324 in Outer Diameter, Set of 16

The MANLEY 221421-16 NexTek dual valve springs are engineered for high-performance applications, providing reliable valve operation and durability. Designed with a spring rate of 435 pounds per inch, these springs ensure precise control and consistent valve motion under demanding conditions. The springs feature a coil bind limit of 0.900 inches, offering optimal performance without risking coil contact, and a robust outer diameter of 1.324 inches for secure fitment within the cylinder head. Crafted by MANLEY, a trusted name in performance engine components, these springs are ideal for racing or high-performance street builds.

Each set includes 16 springs, making them suitable for complete valve train upgrades. The NexTek design emphasizes enhanced stability and load capacity, which contributes to improved engine responsiveness and longevity. Whether you're upgrading an existing setup or building a new high-output engine, these springs provide the strength and reliability needed to handle increased valve lift and spring pressure. Easy to install and compatible with a wide range of performance setups, they are an excellent choice for serious enthusiasts and professional builders alike.

Constructed without air restriction limitations and suitable for standard freight shipping, the MANLEY 221421-16 NexTek dual valve springs deliver quality and performance where it counts. Invest in these high-quality springs to ensure your engine maintains optimal valve control and performance under extreme conditions.

Features:

• Spring Rate: 435 pounds per inch for reliable valve control

• Coil Bind: 0.900 inches to prevent coil contact under load

• Outer Diameter: 1.324 inches for secure fitment

• Set of 16 springs for complete valve train upgrade

• Manufactured by MANLEY, a trusted brand in engine components