Lightweight CNC-machined titanium retainers greatly reduce valve train mass and increase engine rpm Increases valve spring life over heavier, stock steel retainers Precision CNC-machined from 8620 case hardened steel High tolerances ensure seats are flat for the longest possible life Pad is parallel to bottom surface for consistent spring pressures Made with various thicknesses Specially designed for use with CV4's valve springs only. VALVE SPRING LOCATORS
