Description
Designed for high rpm Mitsubishi Evolution 4-9 and DSM 4G63 engines, Brian Crower performance valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. Brian Crower 4G63 Evo 4-9 and DSM 4G63 titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. Performance valve springs and valve retainers are an absolute must when revving beyond your factor rev limiter and the Brain Crower spring and titanium retainer kit offer a great bang for the buck!
BC0100
