Ferrea Toyota 1GR-FE Double Special Alloy Valve Spring - Set of 24

If you're rebuilding the top end of your Toyota 1GR-FE engine, you'll need a solid set of valve springs. This set from Ferrea includes 24 double special alloy valve springs, designed to handle the demands of a performance-oriented engine build. Ferrea is well-known for making strong valvetrain components, and these springs are built to last.

These springs are made from a special alloy that Ferrea uses for its durability and ability to maintain consistent pressure across a wide range of RPMs. This is crucial for preventing valve float, especially when you're pushing your engine harder or have made modifications that increase airflow and combustion pressure. The double spring design offers increased seat pressure and a higher open pressure compared to single springs, which is essential for high-performance applications where the engine will see higher RPMs and more aggressive camshaft profiles. This setup helps ensure the valves close reliably and quickly, maintaining proper timing and preventing piston-to-valve contact.

This set comes with all 24 springs needed for a complete engine rebuild. When installing, always refer to the manufacturer's specific instructions for your engine build to ensure proper seat pressure and clearance are achieved. Using the correct spring height and retainer combination is key to unlocking the full potential of these high-performance valve springs.