ACL Bearings 4B1956H-.25 Race Series Rod Bearings 0.25mm Undersize

ACL Race Series connecting rod bearings are engineered for high-performance and racing applications where durability and precision are critical. The 4B1956H-.25 features a 0.25mm undersize dimension, designed for engines with crankshafts that have been machined or ground undersize during rebuilds or performance builds.

Key Features:

• Race Series construction for extreme performance and racing conditions
• 0.25mm undersize specification for machined crankshafts
• High-strength tri-metal bearing material for superior durability
• Precision tolerances for optimal oil clearance and engine protection
• Enhanced fatigue resistance under high RPM and load conditions
• Designed for high-performance street and competition engines

ACL Race Series bearings are manufactured to strict quality standards and provide the reliability demanded by professional engine builders and racers. These bearings offer excellent load capacity and wear resistance while maintaining proper oil film thickness under severe operating conditions.