BC0130 - Mitsubishi 4B11 Evo X Spring/Titanium Retainer 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 | BC1130 Single |
| Free Length | 1.693" |
| Seat | 1.375" @ 75 lbs |
| Open | 0.950" @ 175 lbs |
| Coil Bind | 0.850" |
| Retainer | BC2130 |
| Spring Seat | OEM |
| Net Cam Lift | 0.475" / 12.06mm |
Read More