King Chevy 400ci 6.6L V8 Std Size 3/4 Groove Bi-Metal Performance Main Bearing Set King Engine Bearings Sale! from 10199 /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. Optional to MB 509SI (Race bearings, Bi-metal Alecular)