This listing is for one set of brand new Brian Crower Single Valve Springs and Steel Retainers for the Mitsubishi 4G63 engines from DSM and EVO 8-9 chassis 

Included = (16) Valve Springs + (16) Steel Retainers 

Open Pressure = 235 @ 1.000" 

Seat Pressure = 84 @ 1.550" 

Part Number = BC0100S