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 | BC1010 Dual |
| Free Length | 1.607" |
| Seat | 1.350" @ 80 lbs |
| Open | 0.900" @ 220 lbs |
| Coil Bind | 0.765" |
| Retainer | BC2011 |
| Spring Seat | OEM |
| Net Cam Lift | 0.500" / 12.7mm |
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