The Speedmaster PCE272.1013 single valve springs feature a 1.550" outer diameter with an integrated damper to reduce harmonic vibration and maintain consistent valve control under demanding engine conditions. Rated at 135 lbs. of seat pressure at 1.900" installed height, these springs deliver reliable valve train stability for performance street and racing applications.
With a coil bind height of 1.125", these springs provide ample travel clearance for performance camshaft profiles. The included damper works to suppress spring surge, helping protect your valve train investment and ensure accurate valve timing across the RPM range.