King Engine Bearings Oversize Crankshaft Main Bearing Set

King Engine Bearings oversize crankshaft main bearing sets are made for engine rebuilds. They suit engines with a crankshaft that has been machined undersize on the main journals. Each set is also called an engine main bearing set or crank main bearings. The bearings support the crankshaft and let it spin smoothly inside the engine block.

Key Features:

• Precision-manufactured main bearings that keep consistent oil clearance and crankshaft alignment
• Multi-layer construction that resists wear, fatigue and heat in demanding service
• Tight dimensional tolerances for dependable fit and smooth, quiet operation
• Suited to rebuilds of stock, performance and heavy-duty engines
• Made by King Engine Bearings, a long-established name in engine bearings

Pick the correct oversize for your crankshaft's machined journal dimensions. Check the journal measurements before ordering. A properly sized main bearing set helps keep oil pressure steady and extends engine life after a rebuild.