GSC Power Division single conical high-pressure valve spring and titanium retainer kit for the Mitsubishi 4B11T engine supplies higher spring pressure with lightweight titanium retainers. It’s a complete spring and retainer assembly intended for applications requiring stronger valve control than stock. Sold as a matched kit to replace OE springs where increased spring pressure is required.
GSC P-D Mitsubishi 4B11T High Pressure Single Conical Valve Spring and Ti Retainer Kit