BC1100-1 - Valve Spring - Single (Mitsubishi 4G63 Eclipse/Evo/Dodge SRT-4) - 1 only
| Type | Single |
| Free Length | 1.879" |
| Seat | 1.550" @ 84 lbs |
| Open | 1.000" @ 235 lbs |
| Coil Bind | 0.935" |
| Retainer | BC2100, BC2159, BC2160 |
| Spring Seat | OEM |
| Net Cam Lift | 0.520" / 13.2mm |