King MB5293MC020 MC-Series Main Bearing Set 0.020" Undersize for GM LS/LT Engines

The King MB5293MC020 features a nano-composite polymer coating solution for OE replacement bearings, specifically designed for Chevy LS and LT engine applications. These stock replacements are machined from bi-metal silicon aluminum and sold in sets of 5.

Key Features:

• MC-Series nano-composite polymer coating for enhanced durability and protection
• 0.020" undersize dimension for reground crankshafts
• Bi-metal silicon aluminum construction
• Compatible with GM LS/LT engine family (4.8L, 5.3L, 5.7L, 6.0L applications)
• 1/2 groove design for optimal oil distribution

King MC-Series main bearings are recommended for OE applications. These replacement bearings are designed for aftermarket gasoline or diesel engine rebuilding—and performance engines with factory crankshafts. The .020" undersize dimension is specifically engineered for crankshafts that have been machined .020" undersize during the rebuilding process.

Specializing in engine bearings, King has built an extensive product offering that includes a wide range of engine bearings for automobiles, light-duty and heavy-duty trucks, marine, aviation, standby power and many other types of internal combustion engines. Every King bearing utilizes the highest quality materials. Stringent system of multiple quality checks ensures that only the highest quality bearings ever make it into our customers' hands.

King engine bearings are manufactured to precision finished wall thicknesses. They cannot be resized, nor should their inner working surfaces be scuffed or otherwise altered. Always verify bearing size before installation.