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We’ve spent countless hours working on performance upgrades and testing them out, and we can tell you there is no substitute for quality. That goes double for the springs and retainers in your engine, and Manley Performance Parts makes some of the industry’s best.
These valve springs are built specifically to handle the demands placed by aftermarket camshafts and high-revving sport engines. Made from an incredibly clean, high tensile strength chrome silicon alloy, these springs keep your valve train firing at peak performance for many more miles. The retainers are made in top-of-the-line dual-spindle CNC machines for exact tolerances and a finish that looks like jewelry. The angles are held to within six minutes (that translates to about a tenth of a degree) and heights are held to within .005 inches.
Any upgrade in your Evo 8 or 9, Eagle or Talon engine will benefit greatly from these springs and retainers. It will pay off in better performance down the track and give your engine the extra strength to handle all your performance mods.
