This listing is for a set of brand new Brian Crower Valve Springs for Hundai G4GC + Mitsubishi 4G63 + Dodge 420A 

Included = 16x Valve Springs 

Spring Pressure --> Seat: 1.550" @ 84 lbs / Open: 1.000" @ 235 lbs / Coil Bind: 0.935" (no machine work required) 

Use With Brian Crower Retainers BC2100 or BC2100S (Not Included) 

Part Number = BC1100-16