Description
A quality main bearing set is the foundation of engine reliability and longevity, especially in high-performance or rebuilt small block Ford applications. ACL’s H-Series bearings are engineered to maintain precise clearances under sustained load, protecting your crankshaft and ensuring consistent power delivery. Whether you’re building a street engine or refreshing a tired block, this standard-sized kit delivers the durability and precision required for dependable operation.
- ACL H-Series design
- Small block Ford fitment
- Standard sizing
- Complete main bearing kit
- MPN: 5M590H-STD
- Bolt-on installation
- Precision-engineered clearances
- OEM-quality construction






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