Designed for high rpm, BC valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers and spring seats are CNC machined from 6AL4V titanium to exacting tolerances.

Specs
Spring Pressure:
-Seat: 1.400" @ 73 lbs
-Open: 0.950" @ 155 lbs
Coil Bind: 0.850" (no machine work required)