Brian Crower BC1130 Single Valve Springs Mitsubishi 4B11 EVO X

Brian Crower BC1130 Single Valve Springs Mitsubishi 4B11 EVO X

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 titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances.