Honda tuners and engine builders, listen up! These Skunk2 Alpha Series valve springs are serious business for your D-series VTEC engine builds. Manufactured from super-clean chrome-silicone wire that's actually milled in Japan, these aren't your average replacement springs - they're engineered for performance and reliability at high RPMs. We're talking engine speeds exceeding 10,000 RPM without valve float, which is crucial for those high-revving Honda engines we all love. The seat pressure sits at 62 with an open pressure of 585, providing the perfect balance of control and durability for aggressive cam profiles and sustained high-RPM operation. Whether you're building a track monster, a high-performance street engine, or just want the peace of mind that comes with quality valve train components, these Skunk2 springs deliver where it counts. They're the result of years of racing experience and engine building knowledge from one of the most trusted names in Honda performance. Installation does require proper engine building knowledge and tools, so this isn't a beginner mod, but if you're serious about your Honda build, these springs are an essential upgrade for reliability at high power levels. They maintain valve train stability when you're pushing your engine hard, preventing the valve float that can lead to catastrophic engine damage. Seriously, if you're planning to rev your D-series beyond stock limits or running aggressive cams, don't cheap out on valve springs - these Skunk2 units are worth every penny for the protection and performance they provide.
Free 30-day returns 
Free 30-day returns
