GSC Power Division Beehive Spring Kits | EVO/DSM

The GSC Beehive springs come as a complete set of 16 springs with the option to add their extremely durable titanium retainers. These springs feature their ovate wire construction utilizing advanced heat treatment methods for superior load loss capabilities. GSC-5039 Beehive Springs Max RPM: 8,200 | Max Boost: 25PSI EVO 8-9 ONLY GSC-5040 Beehive Springs & Retainers Max RPM: 8,500 | Max Boost: 30PSI EVO 4-9 + DSM GSC-5041 High Rev Springs & Retainers Max RPM: 10,500 | Max Boost: 44PSI EVO 4-9 + DSM Important Note: The GSC-5039 springs sold without retainers are specifically for use with the 2003-2006 Evolution 8/9 Application. Features & Benefits: Increased Strength & Durability Faster Rev Capability Precise Valve Control Nano Peened For Less Stress & Faster Break In Options For 1992-2006 Evo 4-9 & 1990-1999 DSM