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 |
BC1310 Dual |
| Free Length |
1.671" |
| Seat |
1.320" @ 98 lbs |
| Open |
0.850" @ 226 lbs |
| Coil Bind |
0.795" |
| Retainer |
BC2305-24 |
| Spring Seat |
BC2935 |
| Net Cam Lift |
0.470" / 11.94mm |
