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 |
BC1130 Single |
| Free Length |
1.693" |
| Seat |
1.375" @ 75 lbs |
| Open |
0.950" @ 175 lbs |
| Coil Bind |
0.850" |
| Retainer |
BC2130 |
| Spring Seat |
OEM |
| Net Cam Lift |
0.475" / 12.06mm |