BC1010-1 - Valve Spring - Dual (Honda/Acura B18C/B16A/B17A, Nissan KA24DE) - 1 only
| Type | Dual |
| Free Length | 1.607" |
| Seat | 1.350" @ 80 lbs |
| Open | 0.900" @ 220 lbs |
| Coil Bind | 0.765" |
| Retainer | BC2010, BC2011, BC2210 |
| Spring Seat | BC2904 or OEM |
| Net Cam Lift | 0.500" / 12.7mm |