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Upgrade your Chevrolet's performance with the Manley Street Master Valve Springs, designed for Chevy big block Mark IV engines. This set of 16 springs delivers enhanced durability and responsiveness, ensuring your engine runs smoothly under high performance conditions.

• High open pressure of 355 lbs. means improved valve control for better engine efficiency.
• With a spring rate of 460 lbs./in., these springs provide optimal support for powerful engine demands.
• The standard valve spring style ensures compatibility with your existing setup, making installation straightforward.
• Designed with a coil bind height of 1.190 inches, these springs prevent coil binding under extreme conditions.
• Sold as a complete set, they ensure uniform performance across all valves, enhancing overall engine reliability.

These valve springs are engineered specifically for Chevrolet models from 1980 to 1990, making them a perfect fit for your classic ride. Elevate your engine's potential with Manley quality and performance.

Trust in Manley for reliable, high-performance valve springs that keep your engine running at its best.