King Nissan QR25DE DOHC 16 Valves (Size +0.25) Main Bearing Set King Engine Bearings Sale! from 4699 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. King Nissan QR25DE DOHC 16 Valves (Size +0.25) Main Bearing Set