ACL Bearings 5M7298A-20 Aluglide Main Bearing Set 0.020" Undersize

The ACL Bearings 5M7298A-20 is a complete main bearing set featuring ACL's advanced Aluglide bearing material technology. This A-Series grooved main bearing set is designed for 0.02 inch (0.50mm) undersize crankshafts and is commonly used on Chevrolet LS engines including 5.7L, 6.0L, 6.2L, and 7.0L applications.

ACL Aluglide bearings feature a proprietary composition of aluminum, tin, and silicon combined with a steel backing to provide exceptional wear resistance, outstanding strength, and excellent load-carrying characteristics. This lead-free bearing material offers an environmentally conscious solution while maintaining the durability and performance required for modern engines.

Key Features:

• 0.020 inch crankshaft undersize
• Grooved bearing design for enhanced oil distribution
• Aluminum/tin/silicon alloy construction with steel backing
• Lead-free, environmentally friendly design
• Direct replacement for OEM specifications

ACL direct replacement main bearing sets cover a vast range of automotive gas engines, as well as diesel applications. This specific bearing set is designed for use with reground crankshafts that have been machined 0.020" undersize from standard diameter.

The A-Series Aluglide bearings are ideal for stock rebuilds, daily drivers, and general performance applications. They offer excellent wear resistance and reliability for passenger vehicles and light commercial applications where long service intervals are desired.