Features and advantages Multi-stage quality control process to ensure parts meet dimensional and weight specifications Core technologies include resin, cold and oil sands cores. Detailed core allows tighter tolerances and cleaner castings 100% Tested Metallurgy – Castings are designed to precise metallurgical standards for consistent quality, strength and performance Computerized machining leads to tight tolerance control Fit For 2004-2004 Jeep Grand Cherokee 1999-2004 Jeep Grand Cherokee(4WD) 2002-2002 Jeep Grand Cherokee(RWD) Installation Tips .