King Chevrolet 396/400/427/502 (Undersize 0.50in) SI-Series Main Bearing Set King Engine Bearings Sale! from 5399 /per Qty. Add to Cart This item is either made to order or has limited inventory. Please reach out to confirm lead times if needed. King Chevrolet 396/400/427/502 (Undersize 0.50in) SI-Series Main Bearing Set