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 |
BC1020 Dual |
| Free Length |
1.606" |
| Seat |
1.325" @ 82 lbs |
| Open |
0.925" @ 180 lbs |
| Coil Bind |
0.825" |
| Retainer |
BC2305-16 |
| Spring Seat |
BC2936 |
| Net Cam Lift |
0.450" / 11.43mm |