ACL Bearings 8B663P-01 Connecting Rod Bearing Set Undersize - 0.001

The ACL Bearings 8B663P-01 is a high-quality connecting rod bearing set designed for precision engine rebuilds. This P-Series Duraglide bearing set features a 0.001 inch (0.025mm) undersize specification, making it ideal for crankshafts that require slight journal correction or for achieving optimal oil clearances during performance builds.

Key Features:

• Tri-metal construction with copper-lead alloy for superior durability and load-bearing capacity
• 0.001" (0.025mm) undersize specification for precision fitting on reground or undersized crankshaft journals
• Duraglide bearing surface provides excellent wear resistance and reduced friction
• Set includes 8 bearing halves for complete V8 engine rebuild
• Manufactured from premium materials with steel backing for optimal support
• Designed to maintain proper oil film thickness under demanding operating conditions

ACL Bearings are engineered to replicate OEM specifications while providing enhanced durability for both street and performance applications. The tri-metal construction combines a steel backing with a copper-lead-tin lining layer, offering the perfect balance of strength and conformability. These bearings are precision-manufactured to ensure proper crush and excellent heat transfer, making them suitable for rebuilt engines requiring dependable, long-lasting performance.