ACL Bearings 4B1388A-.50 Connecting Rod Bearing Set Undersize - 0.50mm

These precision-engineered bearings provide reliable performance for engine rebuilds and restorations where the crankshaft journals have been machined to restore proper clearances.

Key Features:

• Tri-metal construction with steel backing for superior strength and durability
• 0.50mm undersize for reground crankshaft journals
• Precise oil clearance specifications for optimal lubrication
• High-quality overlay material for excellent wear resistance
• Manufactured to OE specifications for reliable performance
• Complete bearing set for one connecting rod

ACL Bearings has built a strong reputation among engine builders and automotive professionals for producing consistent, high-quality engine bearings. Their tri-metal design combines high strength with the ability to withstand demanding operating conditions, making these bearings an excellent choice for street engines and performance rebuilds. Each bearing is precision-manufactured to ensure proper fit and optimal oil clearance when installed correctly.

Application Note: This undersize bearing set is specifically designed for crankshafts that have been machined 0.50mm (0.020") undersize. Always measure your crankshaft journals and bearing housing bores before ordering to ensure proper bearing selection and achieve the correct oil clearance for your application.