Precision Engineered ACL Main Bearings

Upgrade your engine rebuild with the ACL Race Series 0.25 oversized main bearing set. Designed specifically for the VW/Audi 1781cc and 1984cc engine platforms, these bearings provide the necessary clearance for machined crankshafts, ensuring optimal oil film thickness and longevity under high-stress conditions.

Technical Specifications

• Size: 0.25mm Oversized
• Application: VW/Audi 1.8L/2.0L engines
• Configuration: 6 grooved shells, 4 non-grooved shells
• #4 Journal: Dual-sided oil groove for maximum lubrication
• Material: High-strength tri-metal construction

These bearings are engineered to handle the increased loads found in performance builds. The specific oil groove configuration on the #4 journal ensures that your crankshaft receives consistent oil pressure, reducing friction and preventing premature wear. Whether you are performing a street-performance refresh or a full race engine build, these bearings offer the reliability required for high-RPM operation. Always verify your crankshaft journal dimensions before installation to ensure the correct 0.25mm clearance is achieved. Trust your engine build to the premium quality of ACL components available at GGCRACING.