Home | Nu-Gems GEMS, General Engine Management Systems Ltd, engine management systems, engine management, ecu, ignition, anti-lag, launch control, plag n play, dash display system, car, rally, brc, wrc, s2000, racing, karting, single seater, motorbike, hill climb, pwrc, diff controller, tacho, engine calibration, engine mapping, engine tuning, data logging, data logger, data analysis Nu-gems jewellery is handcrafted in Aberdeen with semi-precious stones,pearls and sterling silver.