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 |
BC1030 Dual |
| Free Length |
1.815" |
| Seat |
1.400" @ 88 lbs |
| Open |
0.950" @ 220 lbs |
| Coil Bind |
0.790" |
| Retainer |
BC2011 |
| Spring Seat |
BC2904 |
| Net Cam Lift |
0.510" / 12.95mm |
