Description
Rod bearings are the critical interface between your connecting rods and crankshaft—they determine whether your engine survives sustained high RPM operation or fails catastrophically. The ACL 8B1663H-001 set delivers the precision clearances and load capacity required for Small Block Chevy engines pushing serious power, whether you’re on the dyno or the track. These H-Series bearings are engineered for durability under extreme conditions, making them the trusted choice for builders who can’t afford bearing failure.
- Connecting rod bearings
- ACL H-Series design
- 0.001″ undersize
- Small Block Chevy
- Complete bearing set
- CNC-precision tolerances
- High-load capability
- OEM-quality construction
- MPN: 8B1663H-001






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