ACL Bearings 4B1293H-.025 High Performance Rod Bearing Set Oversize - 0.025mm

The ACL Bearings 4B1293H-.025 is a high-performance connecting rod bearing set designed for Hyundai G4KF 2.0T (Theta II) turbocharged engines. This is a 0.025mm (0.010") oversize bearing set engineered for use with reground crankshafts that require precision fitment and enhanced clearances.

Race Series Performance Features:

• High strength overlay plate with reduced thickness for improved fatigue properties
• Hardened steel backs on all rod bearings to improve support and assist with bearing retention
• Elimination of flash plating on the back of the bearings to improve heat transfer and maximize grip
• Increased eccentricity to compensate for bore distortion at high rpm and tight consistent wall tolerances
• Enlarged ID chamfers on bearing edges to accommodate large fillet radius on performance crankshafts

ACL Race Series bearings are manufactured to exacting tolerances with micron tolerance machining supported by precision measurement systems, ensuring reliable fit and consistent clearances for high-performance and racing applications.

ACL Race Series performance engine bearings are recognized as a premier brand throughout the motorsports world, used in race engines that have set records and won championships. These bearings are designed for extreme endurance under harsh conditions, making them ideal for high-RPM turbocharged applications and engine rebuilds requiring precision bearing fitment.