Supertech K/F-Series Dual Valve Spring Kit SPRK-H1021D

  • $513.15
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When a single valve spring isn’t enough. High-performance, high-revving K-Series applications may need a dual valve spring to produce adequate seat pressure, open pressure, and spring rate for the camshaft of choice. This Supertech kit does just that with springs producing seat pressure of 95 LBS and 261 LBS of pressure fully open. The provided ultra-light titanium retainers, combined with the springs, help the valves snap back to their seated position, eliminating valve float.  

This kit comes with 16 of each: dual valve springs, retainers, and seat locators. Supertech springs are made from Super Clean Chrome Silicone Vanadium Steel Alloy. This material is selected for its ability to handle high stress, but also the ‘memory’ to compress and return to form, time after time, cycle after cycle.    

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