1.625 Dual Valve Springs (16)

The 1.625 Dual Valve Springs set from PAC Racing Springs is designed for performance enthusiasts and engine builders who require reliable valve control at high RPMs. This 16-piece kit provides a complete set of dual valve springs tailored for high-performance applications, ensuring consistent valve timing and preventing float during demanding conditions.

The dual valve spring design features a 1.625-inch diameter and offers enhanced load capacity compared to single-spring alternatives. This configuration allows for a progressive rate curve, providing lighter initial seat pressure for improved fuel economy while maintaining stiffer resistance as valve lift increases, which is crucial for precise valve control under high compression loads.

Ideal for small-block and mid-sized engine platforms, including LS, SBC, BBC, and import performance builds, these dual valve springs are engineered to perform reliably above 6,500 RPM. Installation requires proper spring tools and techniques to ensure optimal performance and longevity.