King Engine Bearings Performance Main Bearing Set

King Engine Bearings Performance Main Bearing Sets are precision-engineered crankshaft main bearings. They are built for street performance, racing and high-output engine builds. The bearings support the crankshaft and hold a stable oil film under heavy load, high RPM and high cylinder pressure. Engine builders and racers use them as a durable upgrade over standard replacement bearings.

Key Features:

• Performance-oriented main bearing design for demanding street, strip and track use
• Precision manufacturing for consistent oil clearance and a reliable fit
• Available in multiple bearing materials and construction options, including bi-metal and tri-metal designs and coated race versions, depending on the part number
• Offered in standard and oversize or undersize options, with extra oil clearance versions for select applications
• Made for crankshaft journals in a wide range of domestic and import engines
• Backed by the manufacturer warranty

King Engine Bearings was founded in 1960 and specializes in engine bearings only. Its range covers automotive, truck, marine and racing use. Choose the main bearing set that matches your engine and crankshaft journal specifications. This helps you get the correct clearance and long-term reliability in your rebuild or performance build.