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 2002-2003 Mini Cooper 2004-2006 Mini Cooper(excluding John Cooper Works Models) Installation Tips .