ACL Bearings 4M2037P-.25 Performance Connecting Rod Bearing Set Undersize - 0.25mm

The ACL Bearings 4M2037P-.25 is a precision-engineered connecting rod bearing set designed for high-performance and racing engine builds. This set features a 0.25mm (0.010") undersize specification, allowing for proper fitment when crankshaft journals have been ground or machined for reconditioning.

Key Features:

• Precision 0.25mm undersize for reground crankshafts
• High-performance tri-metal construction for superior durability
• Advanced bearing design optimized for high RPM and extreme loads
• Strict tolerances ensure proper oil clearance and bearing crush
• Complete connecting rod bearing set for professional engine builds

ACL Race Series bearings are manufactured using proprietary materials and coating technologies to provide maximum protection under racing conditions. The tri-metal construction combines a steel back with a performance alloy overlay, delivering excellent load capacity, fatigue resistance, and compatibility with modern high-performance lubricants.

This bearing set is ideal for engine rebuilders and performance enthusiasts who demand precision-fit components for their high-output applications.