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 |
BC1230 Single |
| Free Length |
1.879" |
| Seat |
1.535" @ 90 lbs |
| Open |
1.150" @ 190 lbs |
| Coil Bind |
0.935" |
| Retainer |
BC2230 |
| Spring Seat |
OEM |
| Net Cam Lift |
0.520" / 13.2mm |
