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 | BC1100 Single |
| Free Length | 1.879″ |
| Seat | 1.550″ @ 84 lbs |
| Open | 1.000″ @ 235 lbs |
| Coil Bind | 0.935″ |
| Retainer | BC2160 |
| Spring Seat | OEM |
| Net Cam Lift | 0.520″ / 13.2mm |




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