ACL Bearings 4M2007-STD Standard Size Main Bearing Set

The ACL Bearings 4M2007-STD is a standard size crankshaft main bearing set designed for precision engine builds and performance applications. ACL Race Series bearings are manufactured to exacting tolerances with particular attention to wall thickness accuracy, ensuring reliable fit and consistent bearing clearances.

Key Features:

• Tri-metal construction with hardened steel backing for superior strength and durability
• Precision-machined to micron tolerances for accurate wall thickness and proper crush
• Advanced bearing material provides excellent seizure resistance under demanding conditions
• No flash plating applied to maximize bearing retention and heat transfer
• Standard size for use with original equipment crankshafts
• Designed to withstand high RPM and performance engine conditions

ACL is a trusted original equipment supplier and an engine builder's top choice for quality and consistency. These main bearings deliver the reliability and performance required for street performance, racing, and engine rebuilds where durability matters.