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BC0040S - Honda K20A/K20Z/F20C/F22C Spring/Steel Retainer/Seat 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 | BC1040 Dual |
| Free Length | 2.025" |
| Seat | 1.590" @ 80 lbs |
| Open | 1.110" @ 250 lbs |
| Coil Bind | 1.030" |
| Retainer | BC2011 |
| Spring Seat | BC2904 |
| Net Cam Lift | 0.550" / 13.97mm |
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