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. Features 4140 chromoly steel retainers for an economical price. Does not fit SOHC heads
| Type |
BC1140 Single |
| Free Length |
1.796" |
| Seat |
1.460" @ 84 lbs |
| Open |
1.000" @ 235 lbs |
| Coil Bind |
0.935" |
| Retainer |
BC2100S-24 |
| Spring Seat |
OEM |
| Net Cam Lift |
0.450" / 11.43mm |
