BC1120-1 - Valve Spring - Dual (Mitsubishi 4G63 Eclipse/Evo) - 1 only
Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures.
| Type | Dual |
| Free Length | 1.800" |
| Seat | 1.550" @ 92 lbs |
| Open | 1.100" @ 235 lbs |
| Coil Bind | 0.970" |
| Retainer | BC2120 |
| Spring Seat | BC2910 |
| Net Cam Lift | 0.520" / 13.2mm |
Read More