ACL Bearings 4M1561P.25 Main Bearing Set Ford 3.8L V6 (Superseded)

The ACL Bearings 4M1561P.25 is a main bearing set originally designed for Ford 3.8L (232 cubic inch) V6 engines. This part has been superseded by ACL part number 4M7295A-.25, which offers the same fitment and specifications with updated manufacturing standards.

Key Features:

• 0.25mm (0.010") undersize main bearing set for Ford 3.8L V6 engines
• Tri-metal construction with high-strength overlay plate for improved durability
• Designed for standard oil clearance specifications
• Features increased eccentricity to compensate for bore distortion at higher RPM
• Engineered with precise wall thickness accuracy for consistent performance
• Suitable for VIN codes 3, 4, C, and R Ford V6 applications

ACL Bearings are recognized throughout the motorsports industry for their combination of advanced metallurgy, precision engineering, and proven performance. These main bearings provide reliable protection for crankshaft journals in both street and performance applications. The undersize bearings are intended for use with reground crankshafts that have been machined 0.010" undersize to restore proper oil clearance specifications.

Note: This part number has been superseded. When ordering, you will receive the updated ACL part number 4M7295A-.25, which is the current replacement offering the same specifications and fitment.