Brian Crower valve springs are designed for high rpm and are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. Brian Crower titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances.
Single spring, titanium retainer
Spring Pressure: Seat: 1.550" @ 95 lbs / Open: 1.000" @ 235 lbs / Coil Bind: 0.935" (no machine work required)
