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BC1130-1 - Valve Spring - Single (Mitsubishi 4B11T Evo X, Hyundai G4KF Genesis) - 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 | Single |
| Free Length | 1.693" |
| Seat | 1.375" @ 75 lbs |
| Open | 0.950" @ 175 lbs |
| Coil Bind | 0.850" |
| Retainer | BC2130, OEM |
| Spring Seat | OEM |
| Net Cam Lift | 0.475" / 12.06mm |
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