Brian Crower BC1040-1 - Valve Spring - Dual (Honda/Acura K20A2/K20A/K24A2/F20C1/F22C1) - 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 | Dual |
| Free Length | 2.025" |
| Seat | 1.590" @ 80 lbs |
| Open | 1.110" @ 250 lbs |
| Coil Bind | 1.030" |
| Retainer | BC2010, BC2011 |
| Spring Seat | BC2904 or OEM |
| Net Cam Lift | 0.550" / 13.97mm |