ACL Bearings 1B5562H-.025 High Performance Rod Bearing Set Oversized - 025mm

The ACL Bearings 1B5562H-.025 is a high-performance connecting rod bearing set engineered for Audi TFSI 5-cylinder turbocharged engines, including the 2480cc EA855 EVO engine found in the RS3, TTRS, and RS Q3 models. This bearing set features a .025mm (.001") oversized journal dimension, designed for precision engine rebuilds with slightly modified crankshafts.

Race-Proven Design Features:

• Tri-metal construction with high-strength overlay plate for superior fatigue resistance
• Hardened steel backing on all rod bearings for improved bearing retention
• No flash plating on bearing backs to maximize heat transfer and housing grip
• Increased eccentricity to compensate for bore distortion at high RPM
• Precision-manufactured to exacting tolerances for consistent wall thickness and crush
• Designed to withstand extreme RPM conditions and cylinder pressures

Technical Specifications:

• Part Number: 1B5562H-.025
• Bearing Tunnel: 50.600mm - 50.619mm
• Shaft Diameter: 47.758mm - 47.778mm
• Maximum Wall Thickness: 1.405mm
• Bearing Length: 17.40mm (.685")
• Oversize: .025mm (.001") on journal diameter

ACL Race Series bearings are trusted by professional engine builders worldwide and have proven themselves in championship-winning engines across multiple racing disciplines. The unique combination of advanced metallurgy, precision engineering, and race-tested design delivers the durability and performance demanded by high-RPM turbocharged applications.