Manley 221446SF-16 Nek Tek Series Dual Valve Spring Set for High-Performance Engines

The Manley 221446SF-16 Nek Tek Series dual valve springs are designed to deliver reliable performance in high-demand automotive applications. Each set includes 16 springs engineered with a 575 lb/in spring rate, providing consistent tension and stability under aggressive camshaft profiles. The springs feature an outer diameter of 1.400 inches and a coil bind height of 1.150 inches, ensuring optimal fit and function for compatible cylinder heads. Constructed from durable materials, these springs are suitable for street and race engines that require enhanced valve control and durability. The Nek Tek Series springs are ideal for enthusiasts and professional builders seeking quality components that support high RPM operation and aggressive valve timing.

Features:

• Dual Spring Design for Improved Valve Stability

• Spring Rate of 575 Pounds Per Inch for High-Performance Applications

• Outer Diameter of 1.400 Inches for Precise Fit

• Coil Bind Height of 1.150 Inches Ensures Proper Valve Clearance

• Set Includes 16 Springs for Complete Cylinder Head Coverage

• Constructed from High-Quality Materials for Durability

• Suitable for High-RPM and Race Engine Use