10K RPM Dual Valve Springs

Introducing our latest innovation tailored for high-performance enthusiasts: the 10K RPM Dual Valve Springs. These newly designed springs are the perfect upgrade for engines that operate at high revs and require high lift. Engineered for the extreme, these springs are built to ensure that your engine achieves its maximum performance without compromise. Whether you're upgrading your race car, tuning a project vehicle, or enhancing a high-performance street car, our 10K RPM Dual Valve Springs are designed to meet the needs of the most demanding engines. Embrace the full potential of your high-revving, high-lift engine and experience unparalleled performance with our cutting-edge valve springs.

Newly designed dual valve springs for high revving and high lift engines. These springs will not fit in your head if you do not modify the spring pockets. Must use longer than stock valves. 

Great replacement springs for the MoFlow and DED heads

Dimensions / Measurements

• Uncompressed Length: 1.385"
• Outer Diameter: 0.970"
• Installed height pressure (1.100"): 55#
• Compressed height pressure (0.850"): 95# (.250" lift)
• Compressed height pressure (0.700"): 125# (.400" lift)
• Compressed height pressure (0.650"): 135# (.450" lift)

For experienced builders only