BC0120 - Mitsubishi 4G63/Evo VIII/Evo IX Spring/Titanium Retainer/Seat/Valve Seal Kit
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 | BC1120 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 |
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